diff --git a/app/main.py b/app/main.py
index 156438e..7b2bf55 100644
--- a/app/main.py
+++ b/app/main.py
@@ -715,7 +715,7 @@ def list_tags(image_id):
         .order_by(Tag.kind.asc(), Tag.name.asc())
         .all()
     )
-    return jsonify(tags=[
+    return jsonify(ok=True, tags=[
         {
             "id": t.id,
             "name": t.name,