diff --git a/pr_agent/servers/github_polling.py b/pr_agent/servers/github_polling.py
index 5eab94dc..05ce0ad1 100644
--- a/pr_agent/servers/github_polling.py
+++ b/pr_agent/servers/github_polling.py
@@ -84,6 +84,7 @@ async def is_valid_notification(notification, headers, handled_ids, session, use
                     return False, handled_ids
                 async with session.get(latest_comment, headers=headers) as comment_response:
                     check_prev_comments = False
+                    user_tag = "@" + user_id
                     if comment_response.status == 200:
                         comment = await comment_response.json()
                         if 'id' in comment:
@@ -101,7 +102,6 @@ async def is_valid_notification(notification, headers, handled_ids, session, use
                             get_logger().debug(f"no comment_body")
                             check_prev_comments = True
                         else:
-                            user_tag = "@" + user_id
                             if user_tag not in comment_body:
                                 get_logger().debug(f"user_tag not in comment_body")
                                 check_prev_comments = True