diff --git a/wiki/auth/cas.py b/wiki/auth/cas.py
index 6a57db06..1734c412 100644
--- a/wiki/auth/cas.py
+++ b/wiki/auth/cas.py
@@ -128,6 +128,8 @@ class CASAuth(BaseAuth):
 
         # authenticated user
         if not force and user_obj and user_obj.valid:
+            if self.action == action:
+                request.http_redirect(url)
             return user_obj, True
 
         if self.ticket_path and request.method == 'POST':