diff --git a/workers/pull_request_worker/pull_request_worker.py b/workers/pull_request_worker/pull_request_worker.py
index 54c8c33441..4b0a97c421 100644
--- a/workers/pull_request_worker/pull_request_worker.py
+++ b/workers/pull_request_worker/pull_request_worker.py
@@ -108,6 +108,9 @@ def find_root_of_subject(data, key_subject):
 
                     if 'errors' in data:
                         self.logger.info("Error!: {}".format(data['errors']))
+                        if j['errors'][0]['type'] == 'NOT_FOUND':
+                            self.logger.warning("Github repo was not found or does not exist for endpoint: {}\n".format(url))
+                            break
                         if data['errors'][0]['type'] == 'RATE_LIMITED':
                             self.update_gh_rate_limit(response)
                             num_attempts -= 1
@@ -133,7 +136,7 @@ def find_root_of_subject(data, key_subject):
 
                 if not success:
                     self.logger.info('GraphQL query failed: {}'.format(query))
-                    continue
+                    break
 
                 before_parameters.update({
                     data_subject: ', before: \"{}\"'.format(page_info['startCursor'])