diff --git a/apps/nspanel-lovelace-ui/luibackend/config.py b/apps/nspanel-lovelace-ui/luibackend/config.py
index d2dfd708..ca071913 100644
--- a/apps/nspanel-lovelace-ui/luibackend/config.py
+++ b/apps/nspanel-lovelace-ui/luibackend/config.py
@@ -138,6 +138,7 @@ class LuiBackendConfig(object):
             entities.extend(card.get_entity_list())
         for card in self._config_hidden_cards:
             entities.extend(card.get_entity_list())
+        return entities
 
     def getCard(self, pos):
         card = self._config_cards[pos%len(self._config_cards)]