diff --git a/docs/tutorial/advanced_control_flow.md b/docs/tutorial/advanced_control_flow.md
index 99f7fca27..a7cbd3c31 100644
--- a/docs/tutorial/advanced_control_flow.md
+++ b/docs/tutorial/advanced_control_flow.md
@@ -199,7 +199,7 @@ void func_809527F8(EnMs *this, GlobalContext *globalCtx) {
         }
         func_8019F208();
         func_800B8A1C((Actor *) this, globalCtx, 0x35, 90.0f, 10.0f);
-        func_801159EC(-0xA);
+        Rupees_ChangeBy(-0xA);
         this->actionFunc = func_809529AC;
     }
 }
@@ -291,7 +291,7 @@ block_13:
 block_15:
     func_8019F208();
     func_800B8A1C((Actor *) this, globalCtx, 0x35, 90.0f, 10.0f);
-    func_801159EC(-0xA);
+    Rupees_ChangeBy(-0xA);
     this->actionFunc = func_809529AC;
     return;
 block_16:
@@ -391,7 +391,7 @@ block_11:
 
     func_8019F208();
     func_800B8A1C((Actor *) this, globalCtx, 0x35, 90.0f, 10.0f);
-    func_801159EC(-0xA);
+    Rupees_ChangeBy(-0xA);
     this->actionFunc = func_809529AC;
     return;
 block_16:
@@ -461,7 +461,7 @@ block_11:
 
     func_8019F208();
     func_800B8A1C((Actor *) this, globalCtx, 0x35, 90.0f, 10.0f);
-    func_801159EC(-0xA);
+    Rupees_ChangeBy(-0xA);
     this->actionFunc = func_809529AC;
     return;
 block_16:
@@ -510,7 +510,7 @@ So let us rewrite the entire second half as a switch:
 
             func_8019F208();
             func_800B8A1C((Actor *) this, globalCtx, 0x35, 90.0f, 10.0f);
-            func_801159EC(-0xA);
+            Rupees_ChangeBy(-0xA);
             this->actionFunc = func_809529AC;
             return;
             break;
@@ -541,7 +541,7 @@ There's a couple of other obvious things here:
             } else {
                 func_8019F208();
                 func_800B8A1C((Actor *) this, globalCtx, 0x35, 90.0f, 10.0f);
-                func_801159EC(-0xA);
+                Rupees_ChangeBy(-0xA);
                 this->actionFunc = func_809529AC;
             }
             break;
@@ -606,7 +606,7 @@ block_7:
                 } else {
                     func_8019F208();
                     func_800B8A1C((Actor *) this, globalCtx, 0x35, 90.0f, 10.0f);
-                    func_801159EC(-0xA);
+                    Rupees_ChangeBy(-0xA);
                     this->actionFunc = func_809529AC;
                 }
                 break;
@@ -670,7 +670,7 @@ void func_809527F8(EnMs *this, GlobalContext *globalCtx) {
                         } else {
                             func_8019F208();
                             func_800B8A1C((Actor *) this, globalCtx, 0x35, 90.0f, 10.0f);
-                            func_801159EC(-0xA);
+                            Rupees_ChangeBy(-0xA);
                             this->actionFunc = func_809529AC;
                         }
                         break;
@@ -722,7 +722,7 @@ void func_809527F8(EnMs *this, GlobalContext *globalCtx) {
                         } else {
                             func_8019F208();
                             func_800B8A1C((Actor *) this, globalCtx, 0x35, 90.0f, 10.0f);
-                            func_801159EC(-0xA);
+                            Rupees_ChangeBy(-0xA);
                             this->actionFunc = func_809529AC;
                         }
                         break;
diff --git a/include/functions.h b/include/functions.h
index ca926e5c4..eff32f53b 100644
--- a/include/functions.h
+++ b/include/functions.h
@@ -2076,7 +2076,7 @@ void Interface_SetDoAction(GlobalContext* globalCtx, u16 arg1);
 void func_80115844(GlobalContext* globalCtx, s16 param_2);
 s32 func_80115908(GlobalContext* globalCtx, u8 param_2);
 void func_801159c0(s16 param_1);
-void func_801159EC(s16 arg0);
+void Rupees_ChangeBy(s16 arg0);
 void func_80115A14(s32 arg0, s16 arg1);
 void Interface_AddMagic(GlobalContext* globalCtx, s16 arg1);
 void func_80115D5C(GameState* gamestate);
diff --git a/src/code/z_parameter.c b/src/code/z_parameter.c
index d2bf94e12..6fbcc351e 100644
--- a/src/code/z_parameter.c
+++ b/src/code/z_parameter.c
@@ -1701,7 +1701,7 @@ u8 Item_Give(GlobalContext* globalCtx, u8 item) {
         return item;
 
     } else if ((item >= ITEM_RUPEE_GREEN) && (item <= ITEM_RUPEE_HUGE)) {
-        func_801159EC(sAmmoRefillCounts[item - ITEM_RUPEE_GREEN + 10]);
+        Rupees_ChangeBy(sAmmoRefillCounts[item - ITEM_RUPEE_GREEN + 10]);
         return ITEM_NONE;
 
     } else if (item == ITEM_LONGSHOT) {
@@ -2060,8 +2060,9 @@ void Interface_SetDoAction(GlobalContext* globalCtx, u16 action) {
 
 #pragma GLOBAL_ASM("asm/non_matchings/code/z_parameter/func_801159c0.s")
 
-// Rupees_ChangeBy
-#pragma GLOBAL_ASM("asm/non_matchings/code/z_parameter/func_801159EC.s")
+void Rupees_ChangeBy(s16 rupeeChange) {
+    gSaveContext.rupeeAccumulator += rupeeChange;
+}
 
 #pragma GLOBAL_ASM("asm/non_matchings/code/z_parameter/func_80115A14.s")
 
diff --git a/src/overlays/actors/ovl_En_Akindonuts/z_en_akindonuts.c b/src/overlays/actors/ovl_En_Akindonuts/z_en_akindonuts.c
index 6be1713ab..dcf3fe5a1 100644
--- a/src/overlays/actors/ovl_En_Akindonuts/z_en_akindonuts.c
+++ b/src/overlays/actors/ovl_En_Akindonuts/z_en_akindonuts.c
@@ -1315,7 +1315,7 @@ void func_80BEF360(EnAkindonuts* this, GlobalContext* globalCtx) {
     if (this->unk_32C & 0x40) {
         if (Actor_HasParent(&this->actor, globalCtx)) {
             this->actor.parent = NULL;
-            func_801159EC(this->unk_364);
+            Rupees_ChangeBy(this->unk_364);
             this->unk_32C &= ~0x40;
             this->actionFunc = func_80BEF450;
         } else {
diff --git a/src/overlays/actors/ovl_En_Aob_01/z_en_aob_01.c b/src/overlays/actors/ovl_En_Aob_01/z_en_aob_01.c
index e25f585aa..955ff625a 100644
--- a/src/overlays/actors/ovl_En_Aob_01/z_en_aob_01.c
+++ b/src/overlays/actors/ovl_En_Aob_01/z_en_aob_01.c
@@ -392,7 +392,7 @@ void func_809C16DC(EnAob01* this, GlobalContext* globalCtx) {
         case 0x3529:
             if (this->unk_2D2 & 2) {
                 this->unk_2D2 &= ~2;
-                func_801159EC(-this->unk_434);
+                Rupees_ChangeBy(-this->unk_434);
                 func_800B7298(globalCtx, NULL, 7);
                 globalCtx->msgCtx.unk11F22 = 0x43;
                 globalCtx->msgCtx.unk12023 = 4;
@@ -708,7 +708,7 @@ void func_809C28B8(EnAob01* this, GlobalContext* globalCtx) {
                 this->unk_210 = 0x352A;
                 this->unk_2D2 |= 0x80;
                 this->unk_434 *= 3;
-                func_801159EC(this->unk_434);
+                Rupees_ChangeBy(this->unk_434);
                 globalCtx->msgCtx.bankRupees = this->unk_434;
                 break;
 
@@ -716,7 +716,7 @@ void func_809C28B8(EnAob01* this, GlobalContext* globalCtx) {
                 this->unk_210 = 0x352B;
                 this->unk_2D2 |= 0x80;
                 this->unk_434 *= 2;
-                func_801159EC(this->unk_434);
+                Rupees_ChangeBy(this->unk_434);
                 globalCtx->msgCtx.bankRupees = this->unk_434;
                 break;
 
@@ -724,7 +724,7 @@ void func_809C28B8(EnAob01* this, GlobalContext* globalCtx) {
             case 4:
             case 5:
                 this->unk_210 = 0x352C;
-                func_801159EC(this->unk_434);
+                Rupees_ChangeBy(this->unk_434);
                 break;
 
             default:
diff --git a/src/overlays/actors/ovl_En_Fu/z_en_fu.c b/src/overlays/actors/ovl_En_Fu/z_en_fu.c
index 1c0673836..f2ebc0668 100644
--- a/src/overlays/actors/ovl_En_Fu/z_en_fu.c
+++ b/src/overlays/actors/ovl_En_Fu/z_en_fu.c
@@ -436,7 +436,7 @@ void func_80962588(EnFu* this, GlobalContext* globalCtx) {
         if (globalCtx->msgCtx.choiceIndex == 0) {
             if (gSaveContext.save.playerData.rupees >= 10) {
                 func_8019F208();
-                func_801159EC(-10);
+                Rupees_ChangeBy(-10);
                 func_80963DE4(this, globalCtx);
             } else {
                 play_sound(NA_SE_SY_ERROR);
diff --git a/src/overlays/actors/ovl_En_Ginko_Man/z_en_ginko_man.c b/src/overlays/actors/ovl_En_Ginko_Man/z_en_ginko_man.c
index 001277740..2a74471c1 100644
--- a/src/overlays/actors/ovl_En_Ginko_Man/z_en_ginko_man.c
+++ b/src/overlays/actors/ovl_En_Ginko_Man/z_en_ginko_man.c
@@ -363,7 +363,7 @@ void EnGinkoMan_WaitForDialogueInput(EnGinkoMan* this, GlobalContext* globalCtx)
                         this->isNewAccount = true;
                     }
 
-                    func_801159EC((s16)-globalCtx->msgCtx.bankRupeesSelected);
+                    Rupees_ChangeBy((s16)-globalCtx->msgCtx.bankRupeesSelected);
                     this->previousBankValue = gSaveContext.save.roomInf[127][0] & 0xFFFF;
                     if (1) {} // Needed to match
                     gSaveContext.save.roomInf[127][0] =
@@ -432,7 +432,7 @@ void EnGinkoMan_WaitForDialogueInput(EnGinkoMan* this, GlobalContext* globalCtx)
                         (gSaveContext.save.roomInf[127][0] & 0xFFFF0000) |
                         (((gSaveContext.save.roomInf[127][0] & 0xFFFF) - globalCtx->msgCtx.bankRupeesSelected) -
                          this->serviceFee);
-                    func_801159EC(globalCtx->msgCtx.bankRupeesSelected);
+                    Rupees_ChangeBy(globalCtx->msgCtx.bankRupeesSelected);
                 }
             } else {
                 func_8019F230();
diff --git a/src/overlays/actors/ovl_En_GirlA/z_en_girla.c b/src/overlays/actors/ovl_En_GirlA/z_en_girla.c
index a5e8ef5e9..b8df2ce4c 100644
--- a/src/overlays/actors/ovl_En_GirlA/z_en_girla.c
+++ b/src/overlays/actors/ovl_En_GirlA/z_en_girla.c
@@ -398,12 +398,12 @@ void EnGirlA_BuyBottleItem(GlobalContext* globalCtx, EnGirlA* this) {
             Item_Give(globalCtx, ITEM_FAIRY);
             break;
     }
-    func_801159EC(-globalCtx->msgCtx.unk1206C);
+    Rupees_ChangeBy(-globalCtx->msgCtx.unk1206C);
 }
 
 void EnGirlA_BuyArrows(GlobalContext* globalCtx, EnGirlA* this) {
     func_80115A14(ITEM_BOW, this->itemParams);
-    func_801159EC(-globalCtx->msgCtx.unk1206C);
+    Rupees_ChangeBy(-globalCtx->msgCtx.unk1206C);
 }
 
 void EnGirlA_BuyNuts(GlobalContext* globalCtx, EnGirlA* this) {
@@ -415,22 +415,22 @@ void EnGirlA_BuyNuts(GlobalContext* globalCtx, EnGirlA* this) {
             Item_Give(globalCtx, ITEM_NUTS_10);
             break;
     }
-    func_801159EC(-globalCtx->msgCtx.unk1206C);
+    Rupees_ChangeBy(-globalCtx->msgCtx.unk1206C);
 }
 
 void EnGirlA_BuyShieldHero(GlobalContext* globalCtx, EnGirlA* this) {
     Item_Give(globalCtx, ITEM_SHIELD_HERO);
-    func_801159EC(-globalCtx->msgCtx.unk1206C);
+    Rupees_ChangeBy(-globalCtx->msgCtx.unk1206C);
 }
 
 void EnGirlA_BuyStick(GlobalContext* globalCtx, EnGirlA* this) {
     Item_Give(globalCtx, ITEM_STICK);
-    func_801159EC(-globalCtx->msgCtx.unk1206C);
+    Rupees_ChangeBy(-globalCtx->msgCtx.unk1206C);
 }
 
 void EnGirlA_BuyMaskAllNight(GlobalContext* globalCtx, EnGirlA* this) {
     Item_Give(globalCtx, ITEM_MASK_ALL_NIGHT);
-    func_801159EC(-globalCtx->msgCtx.unk1206C);
+    Rupees_ChangeBy(-globalCtx->msgCtx.unk1206C);
 }
 
 void EnGirlA_BuyBombBag(GlobalContext* globalCtx, EnGirlA* this) {
@@ -446,14 +446,14 @@ void EnGirlA_BuyBombBag(GlobalContext* globalCtx, EnGirlA* this) {
             Item_Give(globalCtx, ITEM_BOMB_BAG_40);
             break;
     }
-    func_801159EC(-globalCtx->msgCtx.unk1206C);
+    Rupees_ChangeBy(-globalCtx->msgCtx.unk1206C);
 }
 
 void EnGirlA_BuyBombchus(GlobalContext* globalCtx, EnGirlA* this) {
     if (this->itemParams == 10) {
         Item_Give(globalCtx, ITEM_BOMBCHUS_10);
     }
-    func_801159EC(-globalCtx->msgCtx.unk1206C);
+    Rupees_ChangeBy(-globalCtx->msgCtx.unk1206C);
 }
 
 void EnGirlA_BuyBombs(GlobalContext* globalCtx, EnGirlA* this) {
@@ -471,12 +471,12 @@ void EnGirlA_BuyBombs(GlobalContext* globalCtx, EnGirlA* this) {
             Item_Give(globalCtx, ITEM_BOMBS_30);
             break;
     }
-    func_801159EC(-globalCtx->msgCtx.unk1206C);
+    Rupees_ChangeBy(-globalCtx->msgCtx.unk1206C);
 }
 
 void EnGirlA_BuyBottle(GlobalContext* globalCtx, EnGirlA* this) {
     Item_Give(globalCtx, ITEM_BOTTLE);
-    func_801159EC(-globalCtx->msgCtx.unk1206C);
+    Rupees_ChangeBy(-globalCtx->msgCtx.unk1206C);
 }
 
 void EnGirlA_BuySword(GlobalContext* globalCtx, EnGirlA* this) {
@@ -494,17 +494,17 @@ void EnGirlA_BuySword(GlobalContext* globalCtx, EnGirlA* this) {
             Item_Give(globalCtx, ITEM_SWORD_GREAT_FAIRY);
             break;
     }
-    func_801159EC(-globalCtx->msgCtx.unk1206C);
+    Rupees_ChangeBy(-globalCtx->msgCtx.unk1206C);
 }
 
 void EnGirlA_BuyShieldMirror(GlobalContext* globalCtx, EnGirlA* this) {
     Item_Give(globalCtx, ITEM_SHIELD_MIRROR);
-    func_801159EC(-globalCtx->msgCtx.unk1206C);
+    Rupees_ChangeBy(-globalCtx->msgCtx.unk1206C);
 }
 
 // Fanfare is handled by ovl_en_ossan
 void EnGirlA_BuyFanfare(GlobalContext* globalCtx, EnGirlA* this) {
-    func_801159EC(-globalCtx->msgCtx.unk1206C);
+    Rupees_ChangeBy(-globalCtx->msgCtx.unk1206C);
 }
 
 void EnGirlA_DoNothing(EnGirlA* this, GlobalContext* globalCtx) {
diff --git a/src/overlays/actors/ovl_En_In/z_en_in.c b/src/overlays/actors/ovl_En_In/z_en_in.c
index 5fb56af65..0e85140f2 100644
--- a/src/overlays/actors/ovl_En_In/z_en_in.c
+++ b/src/overlays/actors/ovl_En_In/z_en_in.c
@@ -622,7 +622,7 @@ s32 func_808F4150(GlobalContext* globalCtx, EnIn* this, s32 arg2, MessageContext
     if (msgCtx->choiceIndex == 0) {
         func_8019F208();
         if (gSaveContext.save.playerData.rupees >= globalCtx->msgCtx.unk1206C) {
-            func_801159EC(-globalCtx->msgCtx.unk1206C);
+            Rupees_ChangeBy(-globalCtx->msgCtx.unk1206C);
             if (!(gSaveContext.save.weekEventReg[57] & 1)) {
                 func_808F4108(this, globalCtx, 0x3474);
             } else if (this->unk4AC & 8) {
@@ -648,7 +648,7 @@ s32 func_808F4270(GlobalContext* globalCtx, EnIn* this, s32 arg2, MessageContext
     if (msgCtx->choiceIndex == 0) {
         func_8019F208();
         if (gSaveContext.save.playerData.rupees >= fee) {
-            func_801159EC(-fee);
+            Rupees_ChangeBy(-fee);
             if (!(gSaveContext.save.weekEventReg[57] & 1)) {
                 if (arg4 != 0) {
                     func_800E8EA0(globalCtx, &this->actor, 0x3474);
@@ -796,7 +796,7 @@ s32 func_808F4414(GlobalContext* globalCtx, EnIn* this, s32 arg2) {
                             if (Interface_HasEmptyBottle()) {
                                 this->actionFunc = func_808F3C40;
                                 func_800B8A1C(&this->actor, globalCtx, 0x92, 500.0f, 100.0f);
-                                func_801159EC(-globalCtx->msgCtx.unk1206C);
+                                Rupees_ChangeBy(-globalCtx->msgCtx.unk1206C);
                                 ret = true;
                             } else {
                                 func_800E8EA0(globalCtx, &this->actor, 0x3469);
@@ -1048,7 +1048,7 @@ s32 func_808F4414(GlobalContext* globalCtx, EnIn* this, s32 arg2) {
                             if (Interface_HasEmptyBottle()) {
                                 this->actionFunc = func_808F3C40;
                                 func_800B8A1C(&this->actor, globalCtx, 0x92, 500.0f, 100.0f);
-                                func_801159EC(-globalCtx->msgCtx.unk1206C);
+                                Rupees_ChangeBy(-globalCtx->msgCtx.unk1206C);
                                 ret = true;
                             } else {
                                 func_800E8EA0(globalCtx, &this->actor, 0x3469);
diff --git a/src/overlays/actors/ovl_En_Kgy/z_en_kgy.c b/src/overlays/actors/ovl_En_Kgy/z_en_kgy.c
index 35bc06154..eae91832c 100644
--- a/src/overlays/actors/ovl_En_Kgy/z_en_kgy.c
+++ b/src/overlays/actors/ovl_En_Kgy/z_en_kgy.c
@@ -642,7 +642,7 @@ void func_80B41E18(EnKgy* this, GlobalContext* globalCtx) {
                                     } else {
                                         func_8019F208();
                                         func_80B40E74(this, globalCtx, 0xC42);
-                                        func_801159EC(-globalCtx->msgCtx.unk1206C);
+                                        Rupees_ChangeBy(-globalCtx->msgCtx.unk1206C);
                                     }
                                     break;
 
@@ -765,7 +765,7 @@ void func_80B41E18(EnKgy* this, GlobalContext* globalCtx) {
                             func_80B41368(this, globalCtx, 4);
                             if (this->unk_29C & 0x10) {
                                 this->actor.textId = 0xC56;
-                                func_801159EC(globalCtx->msgCtx.unk1206C);
+                                Rupees_ChangeBy(globalCtx->msgCtx.unk1206C);
                             } else {
                                 this->actor.textId = 0xC42;
                             }
diff --git a/src/overlays/actors/ovl_En_Ms/z_en_ms.c b/src/overlays/actors/ovl_En_Ms/z_en_ms.c
index 039834505..f154d592d 100644
--- a/src/overlays/actors/ovl_En_Ms/z_en_ms.c
+++ b/src/overlays/actors/ovl_En_Ms/z_en_ms.c
@@ -128,7 +128,7 @@ void EnMs_Talk(EnMs* this, GlobalContext* globalCtx) {
                         } else {
                             func_8019F208();
                             func_800B8A1C(&this->actor, globalCtx, GI_MAGIC_BEANS, 90.0f, 10.0f);
-                            func_801159EC(-10);
+                            Rupees_ChangeBy(-10);
                             this->actionFunc = EnMs_Sell;
                         }
                         break;
diff --git a/src/overlays/actors/ovl_En_Syateki_Man/z_en_syateki_man.c b/src/overlays/actors/ovl_En_Syateki_Man/z_en_syateki_man.c
index 852c16911..aab14a2af 100644
--- a/src/overlays/actors/ovl_En_Syateki_Man/z_en_syateki_man.c
+++ b/src/overlays/actors/ovl_En_Syateki_Man/z_en_syateki_man.c
@@ -277,7 +277,7 @@ void func_809C6A04(EnSyatekiMan* this, GlobalContext* globalCtx) {
                 this->unk_26A = 3;
             } else {
                 func_8019F208();
-                func_801159EC(-20);
+                Rupees_ChangeBy(-20);
                 gSaveContext.save.weekEventReg[63] |= 1;
                 gSaveContext.save.weekEventReg[63] &= (u8)~2;
                 globalCtx->msgCtx.unk11F22 = 0x43;
@@ -556,7 +556,7 @@ void func_809C7380(EnSyatekiMan* this, GlobalContext* globalCtx) {
                 this->unk_26A = 3;
             } else {
                 func_8019F208();
-                func_801159EC(-20);
+                Rupees_ChangeBy(-20);
                 this->unk_26A = 2;
                 if (!(this->unk_282 & 0x10)) {
                     this->unk_282 |= 0x10;
diff --git a/src/overlays/actors/ovl_En_Thiefbird/z_en_thiefbird.c b/src/overlays/actors/ovl_En_Thiefbird/z_en_thiefbird.c
index 5002edb14..f7bdaa56f 100644
--- a/src/overlays/actors/ovl_En_Thiefbird/z_en_thiefbird.c
+++ b/src/overlays/actors/ovl_En_Thiefbird/z_en_thiefbird.c
@@ -416,7 +416,7 @@ s32 func_80C10E98(GlobalContext* globalCtx) {
 
     AMMO(ITEM_BOMB) -= spB0 * 5;
     AMMO(ITEM_BOW) -= spAC * 10;
-    func_801159EC(-((phi_s0_2 * 50) + (spA0 * 20) + (phi_s2 * 5) + spA8));
+    Rupees_ChangeBy(-((phi_s0_2 * 50) + (spA0 * 20) + (phi_s2 * 5) + spA8));
     return true;
 }
 
diff --git a/src/overlays/actors/ovl_En_Tk/z_en_tk.c b/src/overlays/actors/ovl_En_Tk/z_en_tk.c
index ee65a76bd..61112d8cb 100644
--- a/src/overlays/actors/ovl_En_Tk/z_en_tk.c
+++ b/src/overlays/actors/ovl_En_Tk/z_en_tk.c
@@ -602,7 +602,7 @@ void func_80AED610(EnTk* this, GlobalContext* globalCtx) {
                         break;
 
                     case 0x1413:
-                        func_801159EC(30);
+                        Rupees_ChangeBy(30);
                         gSaveContext.save.weekEventReg[60] |= 2;
                         func_80151938(globalCtx, 0x13FF);
                         break;
diff --git a/src/overlays/actors/ovl_En_Zot/z_en_zot.c b/src/overlays/actors/ovl_En_Zot/z_en_zot.c
index 9ab445247..4e395801c 100644
--- a/src/overlays/actors/ovl_En_Zot/z_en_zot.c
+++ b/src/overlays/actors/ovl_En_Zot/z_en_zot.c
@@ -474,7 +474,7 @@ void func_80B973BC(EnZot* this, GlobalContext* globalCtx) {
                 break;
 
             case 0x126F:
-                func_801159EC(90);
+                Rupees_ChangeBy(90);
                 func_80151938(globalCtx, 0x1270);
                 break;
 
@@ -483,7 +483,7 @@ void func_80B973BC(EnZot* this, GlobalContext* globalCtx) {
                     func_80151938(globalCtx, 0x1277);
                 } else {
                     func_80151938(globalCtx, 0x1278);
-                    func_801159EC(-10);
+                    Rupees_ChangeBy(-10);
                 }
                 break;
 
diff --git a/tools/disasm/functions.txt b/tools/disasm/functions.txt
index 477be7f1b..67104c669 100644
--- a/tools/disasm/functions.txt
+++ b/tools/disasm/functions.txt
@@ -2132,7 +2132,7 @@
     0x80115844:("func_80115844",),
     0x80115908:("func_80115908",),
     0x801159C0:("func_801159c0",),
-    0x801159EC:("func_801159EC",),
+    0x801159EC:("Rupees_ChangeBy",),
     0x80115A14:("func_80115A14",),
     0x80115D14:("Interface_AddMagic",),
     0x80115D5C:("func_80115D5C",),
diff --git a/tools/sizes/code_functions.csv b/tools/sizes/code_functions.csv
index 379c16368..4f8777953 100644
--- a/tools/sizes/code_functions.csv
+++ b/tools/sizes/code_functions.csv
@@ -1646,7 +1646,7 @@ asm/non_matchings/code/z_parameter/func_80115764.s,func_80115764,0x80115764,0x38
 asm/non_matchings/code/z_parameter/func_80115844.s,func_80115844,0x80115844,0x31
 asm/non_matchings/code/z_parameter/func_80115908.s,func_80115908,0x80115908,0x2E
 asm/non_matchings/code/z_parameter/func_801159c0.s,func_801159c0,0x801159C0,0xB
-asm/non_matchings/code/z_parameter/func_801159EC.s,func_801159EC,0x801159EC,0xA
+asm/non_matchings/code/z_parameter/Rupees_ChangeBy.s,Rupees_ChangeBy,0x801159EC,0xA
 asm/non_matchings/code/z_parameter/func_80115A14.s,func_80115A14,0x80115A14,0xC0
 asm/non_matchings/code/z_parameter/Interface_AddMagic.s,Interface_AddMagic,0x80115D14,0x12
 asm/non_matchings/code/z_parameter/func_80115D5C.s,func_80115D5C,0x80115D5C,0x16