diff --git a/app/views/users.py b/app/views/users.py
index 8e88a87e9..d9c8a1fa4 100644
--- a/app/views/users.py
+++ b/app/views/users.py
@@ -596,7 +596,7 @@ def create_user_form(user_name=None, edit=0, all_roles=True):
                 email=vals["email"],
                 dept=vals.get("dept", auth_dept),
                 roles=vals["roles"],
-                cas_id=vals["cas_id"],
+                cas_id=vals.get("cas_id"),  # pas présent si pas super-admin
             )
             if not ok_modif:
                 H.append(tf_error_message(msg))
@@ -729,12 +729,12 @@ def create_user_form(user_name=None, edit=0, all_roles=True):
                     ),
                 )
 
+            flash("Nouvel utilisateur créé")
             return flask.redirect(
                 url_for(
                     "users.user_info_page",
                     scodoc_dept=g.scodoc_dept,
                     user_name=user_name,
-                    head_message="Nouvel utilisateur créé",
                 )
             )