diff --git a/source/fs/mufs/dir.c b/source/fs/mufs/dir.c
index 456076c..2c9639c 100644
--- a/source/fs/mufs/dir.c
+++ b/source/fs/mufs/dir.c
@@ -128,7 +128,9 @@ struct mufs_tree *resolve_path(struct mufs *fs, const char *path)
 
 		if (ret < 0)
 			goto err_closedir;
+	}
 
+	if (dir) {
 		tree = dir->tree;
 		dir->tree = NULL;
 	}