diff --git a/fs/ext4/balloc.c b/fs/ext4/balloc.c
index 6bd0bd5bbdc8..af3acf3c37b6 100644
--- a/fs/ext4/balloc.c
+++ b/fs/ext4/balloc.c
@@ -1566,6 +1566,7 @@ ext4_fsblk_t ext4_new_blocks(handle_t *handle, struct inode *inode,
 	 */
 	if (my_rsv) {
 		my_rsv = NULL;
+		windowsz = 0;
 		group_no = goal_group;
 		goto retry_alloc;
 	}