diff --git a/fs/ext3/balloc.c b/fs/ext3/balloc.c
index da0cb2c0e437..dd4237e5e9ec 100644
--- a/fs/ext3/balloc.c
+++ b/fs/ext3/balloc.c
@@ -232,8 +232,7 @@ restart:
 		prev = rsv;
 	}
 	printk("Window map complete.\n");
-	if (bad)
-		BUG();
+	BUG_ON(bad);
 }
 #define rsv_window_dump(root, verbose) \
 	__rsv_window_dump((root), (verbose), __FUNCTION__)