diff --git a/apps/authentication/signals_handlers.py b/apps/authentication/signals_handlers.py
index 7033cf777..c0b48c61d 100644
--- a/apps/authentication/signals_handlers.py
+++ b/apps/authentication/signals_handlers.py
@@ -47,7 +47,7 @@ def on_openid_login_success(sender, user=None, request=None, **kwargs):
 
 @receiver(populate_user)
 def on_ldap_create_user(sender, user, ldap_user, **kwargs):
-    if user and user.name != 'admin':
+    if user and user.username != 'admin':
         user.source = user.SOURCE_LDAP
         user.save()