diff --git a/sfall/Animations.cpp b/sfall/Animations.cpp
index cc3416fb..25e47152 100644
--- a/sfall/Animations.cpp
+++ b/sfall/Animations.cpp
@@ -485,10 +485,9 @@ static void __declspec(naked) obj_use_container_hook() {
 	static const DWORD obj_use_container_ExitRet = 0x49D069;
 	using namespace Fields;
 	__asm {
-		mov  ebx, [ecx + currFrame]; // obj.cur_frm
-		cmp  ebx, 1; // grave type containers in the open state?
-		je   skip;   // skip animation
-		jmp  register_begin_; // vanilla behavior
+		cmp  dword ptr [ecx + currFrame], 1; // grave type containers in the open state?
+		je   skip;                           // skip animation
+		jmp  register_begin_;                // vanilla behavior
 skip:
 		add  esp, 4;
 		cmp  edi, ds:[FO_VAR_obj_dude];
diff --git a/sfall/ReplacementFuncs.cpp b/sfall/ReplacementFuncs.cpp
index 60f2f9db..ece4ce91 100644
--- a/sfall/ReplacementFuncs.cpp
+++ b/sfall/ReplacementFuncs.cpp
@@ -397,7 +397,7 @@ long __stdcall sfgame_item_weapon_range(TGameObj* source, TGameObj* weapon, long
 
 static int fastShotTweak;
 
-static long item_w_mp_cost_sub(TGameObj* source, TGameObj* item, long hitMode, long isCalled, long cost) {
+static long __stdcall item_w_mp_cost_sub(TGameObj* source, TGameObj* item, long hitMode, long isCalled, long cost) {
 	if (isCalled) cost++;
 	if (cost < 0) cost = 0;