diff --git a/apps/nspanel-lovelace-ui/luibackend/config.py b/apps/nspanel-lovelace-ui/luibackend/config.py
index 9ab9dde3..326e851d 100644
--- a/apps/nspanel-lovelace-ui/luibackend/config.py
+++ b/apps/nspanel-lovelace-ui/luibackend/config.py
@@ -166,8 +166,10 @@ class LuiBackendConfig(object):
             last_card = next
             cur.uuid_next = next.uuid
             next.uuid_prev = cur.uuid
-        first_card.uuid_prev = last_card.uuid
-        last_card.uuid_next  = first_card.uuid
+        # if there is only one top level card first and last card will be none
+        if first_card and last_card:
+            first_card.uuid_prev = last_card.uuid
+            last_card.uuid_next  = first_card.uuid
 
         # parse screensaver
         self._config_screensaver = Card(self.get("screensaver"))
@@ -237,4 +239,4 @@ class LuiBackendConfig(object):
             return self._config_cards[0]
 
     def get_card_by_uuid(self, uuid):
-        return self._config_card_table.get(uuid)
\ No newline at end of file
+        return self._config_card_table.get(uuid)