diff --git a/tools/Data/include/dstructs.h b/tools/Data/include/dstructs.h
index c0cb88dd1..04becd1a8 100644
--- a/tools/Data/include/dstructs.h
+++ b/tools/Data/include/dstructs.h
@@ -207,7 +207,7 @@ struct	sLvlHdr
 	u32		MidLayer;
 	u32		ActionLayer;
 	u32		ForeLayer;
-	u32		Pad0;
+	u32		CollisionLayer;
 	u32		Pad1;
 	u32		Pad2;
 	u32		Pad3;