diff --git a/src/game/game_1531a0.c b/src/game/game_1531a0.c
index 03e4a3b61..dcf439a1d 100644
--- a/src/game/game_1531a0.c
+++ b/src/game/game_1531a0.c
@@ -642,17 +642,16 @@ glabel func0f153c88
 /*  f153cb8:	e4440014 */ 	swc1	$f4,0x14($v0)
 /*  f153cbc:	03e00008 */ 	jr	$ra
 /*  f153cc0:	a0580018 */ 	sb	$t8,0x18($v0)
-/*  f153cc4:	3c02800a */ 	lui	$v0,%hi(var800a45d0)
-/*  f153cc8:	244245d0 */ 	addiu	$v0,$v0,%lo(var800a45d0)
-/*  f153ccc:	904e0000 */ 	lbu	$t6,0x0($v0)
-/*  f153cd0:	ac44002c */ 	sw	$a0,0x2c($v0)
-/*  f153cd4:	ac450030 */ 	sw	$a1,0x30($v0)
-/*  f153cd8:	35cf0002 */ 	ori	$t7,$t6,0x2
-/*  f153cdc:	a04f0000 */ 	sb	$t7,0x0($v0)
-/*  f153ce0:	03e00008 */ 	jr	$ra
-/*  f153ce4:	ac460034 */ 	sw	$a2,0x34($v0)
 );
 
+void func0f153cc4(s32 arg0, s32 arg1, u32 arg2)
+{
+	var800a45d0.unk2c = arg0;
+	var800a45d0.unk30 = arg1;
+	var800a45d0.unk00 |= 0x02;
+	var800a45d0.unk34 = arg2;
+}
+
 void func0f153ce8(s32 x1, s32 x2, u32 arg2)
 {
 	var800a45d0.x1 = x1;
diff --git a/src/include/types.h b/src/include/types.h
index 23e2e6702..80c6a77c2 100644
--- a/src/include/types.h
+++ b/src/include/types.h
@@ -6847,8 +6847,8 @@ struct var800a45d0 {
 	/*0x24*/ u32 unk24;
 	/*0x28*/ u16 unk28;
 	/*0x2a*/ u8 unk2a;
-	/*0x2c*/ u32 unk2c;
-	/*0x30*/ u32 unk30;
+	/*0x2c*/ s32 unk2c;
+	/*0x30*/ s32 unk30;
 	/*0x34*/ u32 unk34;
 	/*0x38*/ s32 x1;
 	/*0x3c*/ s32 x2;