diff --git a/fs/btrfs/tree-defrag.c b/fs/btrfs/tree-defrag.c
index cc2650b..b3bb5bb 100644
--- a/fs/btrfs/tree-defrag.c
+++ b/fs/btrfs/tree-defrag.c
@@ -81,12 +81,12 @@
 		memcpy(&key, &root->defrag_progress, sizeof(key));
 	}
 
-	path->lowest_level = 1;
 	path->keep_locks = 1;
 	if (cache_only)
 		min_trans = root->defrag_trans_start;
 
-	ret = btrfs_search_forward(root, &key, path, cache_only, min_trans);
+	ret = btrfs_search_forward(root, &key, NULL, path,
+				   cache_only, min_trans);
 	if (ret < 0)
 		goto out;
 	if (ret > 0) {