diff --git a/include/object_fields.h b/include/object_fields.h
index 2ee01bcd..2a17465f 100644
--- a/include/object_fields.h
+++ b/include/object_fields.h
@@ -153,7 +153,7 @@
 #define /*0x17C*/ oOpacity                                      OBJECT_FIELD_S32(0x3D)
 #define /*0x180*/ oDamageOrCoinValue                            OBJECT_FIELD_S32(0x3E)
 #define /*0x184*/ oHealth                                       OBJECT_FIELD_S32(0x3F)
-#define /*0x188*/ oBehParams                                    OBJECT_FIELD_S32(0x40)
+#define /*0x188*/ oBehParams                                    OBJECT_FIELD_U32(0x40)
 #define /*0x18C*/ oPrevAction                                   OBJECT_FIELD_S32(0x41)
 #define /*0x190*/ oInteractionSubtype                           OBJECT_FIELD_U32(0x42)
 #define /*0x194*/ oCollisionDistance                            OBJECT_FIELD_F32(0x43)
@@ -606,7 +606,7 @@
 #define /*0x110*/ oIsFloomba OBJECT_FIELD_S32(0x22)
 
 #ifdef INTRO_FLOOMBAS
-#define /*0x1AC*/ oZoomCounter OBJECT_FIELD_S32(0x49)
+#define /*0x1AC*/ oZoomCounter OBJECT_FIELD_U32(0x49)
 #define /*0x1B0*/ oZoomPosZ    OBJECT_FIELD_F32(0x4A)
 #endif
 #endif
diff --git a/src/game/behaviors/snowman.inc.c b/src/game/behaviors/snowman.inc.c
index 40824c2d..d02071be 100644
--- a/src/game/behaviors/snowman.inc.c
+++ b/src/game/behaviors/snowman.inc.c
@@ -155,7 +155,7 @@ void bhv_snowmans_bottom_loop(void) {
 
 void bhv_snowmans_head_init(void) {
     u8 starFlags = save_file_get_star_flags(gCurrSaveFileNum - 1, COURSE_NUM_TO_INDEX(gCurrCourseNum));
-    s8 behParams = GET_BPARAM1(o->oBehParams);
+    u8 behParams = GET_BPARAM1(o->oBehParams);
 
     cur_obj_scale(0.7f);
 
diff --git a/src/game/behaviors/sparkle_spawn_star.inc.c b/src/game/behaviors/sparkle_spawn_star.inc.c
index 0774742e..feb076a7 100644
--- a/src/game/behaviors/sparkle_spawn_star.inc.c
+++ b/src/game/behaviors/sparkle_spawn_star.inc.c
@@ -16,8 +16,12 @@ void bhv_spawned_star_init(void) {
     if (!(o->oInteractionSubtype & INT_SUBTYPE_NO_EXIT)) {
         o->oBehParams = o->parentObj->oBehParams;
     }
-    s32 param = GET_BPARAM1(o->oBehParams);
+    u8 param = GET_BPARAM1(o->oBehParams);
+#ifdef GLOBAL_STAR_IDS
+    if ((1 << (param % 7)) & save_file_get_star_flags((gCurrSaveFileNum - 1), COURSE_NUM_TO_INDEX(param / 7))) {
+#else
     if ((1 << param) & save_file_get_star_flags((gCurrSaveFileNum - 1), COURSE_NUM_TO_INDEX(gCurrCourseNum))) {
+#endif
         cur_obj_set_model(MODEL_TRANSPARENT_STAR);
     }
 
diff --git a/src/game/behaviors/spawn_star.inc.c b/src/game/behaviors/spawn_star.inc.c
index 4cdfda57..f09455ba 100644
--- a/src/game/behaviors/spawn_star.inc.c
+++ b/src/game/behaviors/spawn_star.inc.c
@@ -13,7 +13,7 @@ static struct ObjectHitbox sCollectStarHitbox = {
 };
 
 void bhv_collect_star_init(void) {
-    s8 starId = GET_BPARAM1(o->oBehParams);
+    u8 starId = GET_BPARAM1(o->oBehParams);
 #ifdef GLOBAL_STAR_IDS
     u8 currentLevelStarFlags = save_file_get_star_flags((gCurrSaveFileNum - 1), COURSE_NUM_TO_INDEX(starId / 7));
     if (currentLevelStarFlags & (1 << (starId % 7))) {