diff --git a/app/views/users.py b/app/views/users.py
index d293f3bc..98d14f30 100644
--- a/app/views/users.py
+++ b/app/views/users.py
@@ -436,6 +436,9 @@ def create_user_form(user_name=None, edit=0, all_roles=1):
                     vals["date_expiration"] = datetime.datetime.strptime(
                         vals["date_expiration"], "%d/%m/%Y"
                     )
+                    if vals["date_expiration"] < datetime.datetime.now():
+                        H.append(tf_error_message("date expiration passée"))
+                        return "\n".join(H) + "\n" + tf[1] + F
                 else:
                     vals["date_expiration"] = None
             except ValueError: