diff --git a/public/theme/Xboard/dashboard.blade.php b/public/theme/Xboard/dashboard.blade.php
index 66a597e..b1fbdaf 100644
--- a/public/theme/Xboard/dashboard.blade.php
+++ b/public/theme/Xboard/dashboard.blade.php
@@ -16,7 +16,7 @@
       title: '{{$title}}',
       assets_path: '/theme/{{$theme}}/assets',
       theme: {
-          color: '{{$theme_config['theme_color']}}',
+          color: '{{$theme_config['theme_color']??"default"}}',
       },
       version: '{{$version}}',
       background_url: '{{$theme_config['background_url']}}',