diff --git a/fs/tmpfs/fs_tmpfs.c b/fs/tmpfs/fs_tmpfs.c
index 35bacf0e120..4da971f3c04 100644
--- a/fs/tmpfs/fs_tmpfs.c
+++ b/fs/tmpfs/fs_tmpfs.c
@@ -1849,6 +1849,8 @@ static int tmpfs_opendir(FAR struct inode *mountpt, FAR const char *relpath,
     {
       dir->u.tmpfs.tf_tdo   = tdo;
       dir->u.tmpfs.tf_index = 0;
+      
+      tmpfs_unlock_directory(tdo);
     }
 
   /* Release the lock on the file system and return the result */