diff --git a/util/config/oauth.py b/util/config/oauth.py
index 0bd4473b8..0868c2c40 100644
--- a/util/config/oauth.py
+++ b/util/config/oauth.py
@@ -295,10 +295,10 @@ class OIDCConfig(OAuthConfig):
       raise Exception("Could not parse OIDC discovery information")
 
   def authorize_endpoint(self):
-    return self._oidc_config['authorization_endpoint'] + '?'
+    return self._oidc_config.get('authorization_endpoint', '') + '?'
 
   def token_endpoint(self):
-    return self._oidc_config['token_endpoint']
+    return self._oidc_config.get('token_endpoint')
 
   def user_endpoint(self):
     return None