diff --git a/endpoints/trigger.py b/endpoints/trigger.py
index f281b83b7..dd8d30eec 100644
--- a/endpoints/trigger.py
+++ b/endpoints/trigger.py
@@ -637,6 +637,9 @@ class GithubBuildTrigger(BuildTriggerHandler):
     except UnknownObjectException:
       msg = 'Unable to find GitHub repository for source: %s' % config['build_source']
       raise TriggerDeactivationException(msg)
+    except GitHubBadCredentialsException:
+      msg = 'Unable to access repository to disable trigger'
+      raise TriggerDeactivationException(msg)
 
     # If the trigger uses a deploy key, remove it.
     try: