diff --git a/src/game/bg.c b/src/game/bg.c
index 95958856e..c9bdf4cd4 100644
--- a/src/game/bg.c
+++ b/src/game/bg.c
@@ -3174,8 +3174,13 @@ Gfx *bgRenderRoomPass(Gfx *gdl, s32 roomnum, struct roomblock *block, bool arg3)
 		v0 = (uintptr_t)g_Rooms[roomnum].colours;
 
 		if (v0 != NULL) {
+#ifdef PLATFORM_N64
 			s32 addr = ALIGN8((uintptr_t)&g_Rooms[roomnum].gfxdata->vertices[g_Rooms[roomnum].gfxdata->numvertices]);
 			v0 += (((intptr_t)block->colours - addr) >> 2) * 4;
+#else
+			uintptr_t addr = ALIGN8((uintptr_t)&g_Rooms[roomnum].gfxdata->vertices[g_Rooms[roomnum].gfxdata->numvertices]);
+			v0 += (((uintptr_t)block->colours - addr) >> 2) * 4;
+#endif
 		} else {
 			v0 = (uintptr_t)block->colours;
 		}