diff --git a/edbob/pyramid/subscribers.py b/edbob/pyramid/subscribers.py
index d68d480..9331a35 100644
--- a/edbob/pyramid/subscribers.py
+++ b/edbob/pyramid/subscribers.py
@@ -76,7 +76,7 @@ def context_found(event):
         request.user = Session.query(edbob.User).get(uuid)
 
     def has_perm(perm):
-        return has_permission(request.user, perm)
+        return has_permission(request.user, perm, session=Session())
     request.has_perm = has_perm
 
     def get_referrer(default=None):