diff --git a/src/event_object_movement.c b/src/event_object_movement.c
index ab2f4749f..a076a2a22 100644
--- a/src/event_object_movement.c
+++ b/src/event_object_movement.c
@@ -2341,7 +2341,7 @@ const u8 *GetObjectEventScriptPointerByObjectEventId(u8 objectEventId)
 static u16 GetObjectEventFlagIdByLocalIdAndMap(u8 localId, u8 mapNum, u8 mapGroup)
 {
     struct ObjectEventTemplate *obj = GetObjectEventTemplateByLocalIdAndMap(localId, mapNum, mapGroup);
-#if UBFIX
+#ifdef UBFIX
     // BUG: The function may return NULL, and attempting to read from NULL may freeze the game using modern compilers.
     if (obj == NULL)
         return 0;