diff --git a/api/controller.py b/api/controller.py
index 041da639..99bc4e4a 100644
--- a/api/controller.py
+++ b/api/controller.py
@@ -125,7 +125,7 @@ def breeders_name_delete(breeder_name):  # noqa: E501
                                                     breeder_name=breeder_name)
     archive.archive_db.execute(db_info=db_config, query=__query)
 
-    return Response(dict(message="Purged Breeder named {breeder_name}"),
+    return Response(json.dumps(dict(message="Purged Breeder named {breeder_name}")),
                     status=200,
                     mimetype='application/json')