diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index 48c357223e56..7f25ff1c3854 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -2677,8 +2677,8 @@ again:
 						   found_key.offset);
 			if (ret == -ENOSPC)
 				failed++;
-			else if (ret)
-				BUG();
+			else
+				BUG_ON(ret);
 		}
 
 		if (found_key.offset == 0)