diff --git a/elections/models.py b/elections/models.py
index b37f031..1fc0d13 100644
--- a/elections/models.py
+++ b/elections/models.py
@@ -150,6 +150,7 @@ class User(AbstractUser):
     def get_prefix(self):
         return self.username.split("__")[0]
 
+    @property
     def connection_method(self):
         method = self.username.split("__")[0]
         return CONNECTION_METHODS.get(method, _("identifiants spécifiques"))