diff --git a/fs/exfat/namei.c b/fs/exfat/namei.c
index b334978..631ad9e 100644
--- a/fs/exfat/namei.c
+++ b/fs/exfat/namei.c
@@ -1281,7 +1281,8 @@
 	}
 
 	inode_inc_iversion(old_dir);
-	mark_inode_dirty(old_dir);
+	if (new_dir != old_dir)
+		mark_inode_dirty(old_dir);
 
 	if (new_inode) {
 		exfat_unhash_inode(new_inode);