diff --git a/assemblyline_core/updater/helper.py b/assemblyline_core/updater/helper.py
index 99cab5a8..3b46bd4f 100644
--- a/assemblyline_core/updater/helper.py
+++ b/assemblyline_core/updater/helper.py
@@ -49,7 +49,7 @@ def _get_proprietary_registry_tags(self, server, image_name, auth, verify):
         resp = requests.get(url, headers=headers, verify=verify)
 
         if resp.ok:
-            return [tag['name'] for tag in image['tags'] for image in resp.json()]
+            return [tag['name'] for image in resp.json() for tag in image['tags']]
         return []