diff --git a/authens/backends.py b/authens/backends.py
index 4ad9e91..735e435 100644
--- a/authens/backends.py
+++ b/authens/backends.py
@@ -108,7 +108,9 @@ class ENSCASBackend:
                 CASAccount.objects.create(
                     user=user, entrance_year=entrance_year, cas_login=cas_login
                 )
-                post_cas_create.send(user, cas_login=cas_login, attributes=attributes)
+                post_cas_create.send(
+                    CASAccount, cas_login=cas_login, attributes=attributes
+                )
         return user
 
     # Django boilerplate.