diff --git a/asm/include/ov09.inc b/asm/include/ov09.inc
index f7ebf067..ef0f176e 100644
--- a/asm/include/ov09.inc
+++ b/asm/include/ov09.inc
@@ -931,7 +931,7 @@
 .extern gItemManager
 .extern _ZN11ItemManager10GiveRupeesEjj
 .extern _ZNK11ItemManager16GetTreasureCountEj
-.extern _ZN11ItemManager16SetTreasureCountEjj
+.extern _ZN11ItemManager16SetTreasureCountEjc
 .extern gItemManager
 .extern _ZNK11ItemManager16GetShipPartCountEjj
 .extern _ZN11ItemManager16SetShipPartCountEjjc
@@ -941,9 +941,9 @@
 .extern gOverlayManager
 .extern data_027e1058
 .extern _ZNK11ItemManager16GetTreasureCountEj
-.extern _ZN11ItemManager16SetTreasureCountEjj
+.extern _ZN11ItemManager16SetTreasureCountEjc
 .extern _ZNK11ItemManager16GetTreasureCountEj
-.extern _ZN11ItemManager16SetTreasureCountEjj
+.extern _ZN11ItemManager16SetTreasureCountEjc
 .extern gItemManager
 .extern gOverlayManager
 .extern data_027e105c
diff --git a/asm/include/ov45.inc b/asm/include/ov45.inc
index 3eb0ef62..7cfdf065 100644
--- a/asm/include/ov45.inc
+++ b/asm/include/ov45.inc
@@ -130,7 +130,7 @@
 .extern func_ov09_0211cb5c
 .extern func_020328a8
 .extern _ZNK11ItemManager16GetTreasureCountEj
-.extern _ZN11ItemManager16SetTreasureCountEjj
+.extern _ZN11ItemManager16SetTreasureCountEjc
 .extern gItemManager
 .extern func_ov09_02113f40
 .extern func_ov02_020f37e8
diff --git a/asm/include/ov46.inc b/asm/include/ov46.inc
index 1ea80dfd..7987f891 100644
--- a/asm/include/ov46.inc
+++ b/asm/include/ov46.inc
@@ -223,7 +223,7 @@
 .extern _ZNK11ItemManager16GetTreasureCountEj
 .extern func_ov03_020f3d80
 .extern _ZN11ItemManager10GiveRupeesEjj
-.extern _ZN11ItemManager16SetTreasureCountEjj
+.extern _ZN11ItemManager16SetTreasureCountEjc
 .extern gItemManager
 .extern data_027e0dbc
 .extern _ZNK11ItemManager16GetTreasureCountEj
diff --git a/asm/ov00/ItemManager/ItemManager.s b/asm/ov00/ItemManager/ItemManager.s
index 67e344b3..af3f79d1 100644
--- a/asm/ov00/ItemManager/ItemManager.s
+++ b/asm/ov00/ItemManager/ItemManager.s
@@ -3,20 +3,6 @@
 
 	.text
 
-	.global _ZN11ItemManager16SetTreasureCountEjj
-	thumb_func_start _ZN11ItemManager16SetTreasureCountEjj
-_ZN11ItemManager16SetTreasureCountEjj: ; 0x020ad920
-	cmp r2, #0x63
-	ble _020ad926
-	mov r2, #0x63
-_020ad926:
-	add r0, r0, r1
-	add r0, #0x90
-	strb r2, [r0]
-	bx lr
-	.align 2, 0
-	thumb_func_end _ZN11ItemManager16SetTreasureCountEjj
-
 	.global _ZNK11ItemManager10GetUnk_098Ej
 	thumb_func_start _ZNK11ItemManager10GetUnk_098Ej
 _ZNK11ItemManager10GetUnk_098Ej: ; 0x020ad930
diff --git a/asm/ov09.s b/asm/ov09.s
index 3961d617..5833a191 100644
--- a/asm/ov09.s
+++ b/asm/ov09.s
@@ -17457,7 +17457,7 @@ func_ov09_0211c9e8: ; 0x0211c9e8
 	add r0, r4, #0
 	add r1, r5, #0
 	asr r2, r2, #0x18
-	bl _ZN11ItemManager16SetTreasureCountEjj
+	bl _ZN11ItemManager16SetTreasureCountEjc
 	pop {r3, r4, r5, pc}
 	.align 2, 0
 	thumb_func_end func_ov09_0211c9e8
@@ -17567,7 +17567,7 @@ _0211cacc:
 	add r1, r5, #0
 	ldr r0, [r0]
 	mov r2, #1
-	bl _ZN11ItemManager16SetTreasureCountEjj
+	bl _ZN11ItemManager16SetTreasureCountEjc
 	b _0211cb04
 _0211cae8:
 	ldr r0, _0211cb28 ; =gItemManager
@@ -17581,7 +17581,7 @@ _0211cae8:
 	add r0, r4, #0
 	add r1, r5, #0
 	asr r2, r2, #0x18
-	bl _ZN11ItemManager16SetTreasureCountEjj
+	bl _ZN11ItemManager16SetTreasureCountEjc
 _0211cb04:
 	ldr r0, _0211cb2c ; =data_ov09_0211f308
 	str r5, [r0]
diff --git a/asm/ov45.s b/asm/ov45.s
index 816379ee..3ad1e404 100644
--- a/asm/ov45.s
+++ b/asm/ov45.s
@@ -1373,7 +1373,7 @@ func_ov45_0218a6ac: ; 0x0218a6ac
 	ldr r1, [r5, #0x1c]
 	mov r0, r4
 	mov r2, r2, asr #0x18
-	blx _ZN11ItemManager16SetTreasureCountEjj
+	blx _ZN11ItemManager16SetTreasureCountEjc
 	ldmia sp!, {r3, r4, r5, pc}
 	.align 2, 0
 	arm_func_end func_ov45_0218a6ac
diff --git a/asm/ov46.s b/asm/ov46.s
index 872f3ca6..7a2f985b 100644
--- a/asm/ov46.s
+++ b/asm/ov46.s
@@ -3044,7 +3044,7 @@ _02192754:
 	ldr r0, [r0]
 	mov r1, r3, lsr #0x1c
 	mov r2, r2, asr #0x18
-	blx _ZN11ItemManager16SetTreasureCountEjj
+	blx _ZN11ItemManager16SetTreasureCountEjc
 _021927c4:
 	mov r0, #1
 	ldmia sp!, {r3, r4, r5, pc}
diff --git a/src/ItemManager.cpp b/src/ItemManager.cpp
index 480e96cd..1a4495f6 100644
--- a/src/ItemManager.cpp
+++ b/src/ItemManager.cpp
@@ -292,3 +292,8 @@ THUMB void ItemManager::SetShipPartCount(ShipPart part, ShipType type, s8 count)
 THUMB s8 ItemManager::GetTreasureCount(Treasure treasure) const {
     return this->mTreasure[treasure];
 }
+
+THUMB void ItemManager::SetTreasureCount(Treasure treasure, s8 count) {
+    if (count > 99) count = 99;
+    this->mTreasure[treasure] = count;
+}