diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 6810234..a6c7ace 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -4679,7 +4679,7 @@
 	ext4_superblock_csum_set(sb);
 	if (sync)
 		lock_buffer(sbh);
-	if (buffer_write_io_error(sbh)) {
+	if (buffer_write_io_error(sbh) || !buffer_uptodate(sbh)) {
 		/*
 		 * Oh, dear.  A previous attempt to write the
 		 * superblock failed.  This could happen because the