1 files changed, 2 insertions, 0 deletions

diff --git a/quoins/openid_controllers.py b/quoins/openid_controllers.py
index 8b1619f..d7728c9 100644
--- a/quoins/openid_controllers.py
+++ b/quoins/openid_controllers.py
@@ -173,6 +173,8 @@ class OpenIDController(TGController):
         oserver = openid.server.server.Server(store,
                          self.absolute_url('/server'))
         oid_request = oserver.decodeRequest(request.params)
+        if not oid_request:
+            raise Exception("This does not appear to be an OpenID request")
         request.environ['oid_request']=oid_request
 
         request.environ['oid_return_verified']='not verified'