diff --git a/soh/src/code/z_bgcheck.c b/soh/src/code/z_bgcheck.c
index 9ce139eed..811b0bea1 100644
--- a/soh/src/code/z_bgcheck.c
+++ b/soh/src/code/z_bgcheck.c
@@ -4031,7 +4031,7 @@ s32 func_80041E4C(CollisionContext* colCtx, CollisionPoly* poly, s32 bgId) {
 /**
  * unused
  */
-u32 func_80041E80(CollisionContext* colCtx, CollisionPoly* poly, s32 bgId) {
+s32 func_80041E80(CollisionContext* colCtx, CollisionPoly* poly, s32 bgId) {
     return SurfaceType_GetData(colCtx, poly, bgId, 0) >> 26 & 0xF;
 }