diff --git a/modules/varbase_features/varbase_tour/varbase_tour.module b/modules/varbase_features/varbase_tour/varbase_tour.module
index 8a81e9da1fd2e89c35e522116295a05382cf5303..b8372c39ab88287d2ff958366e07df221e0dd359 100644
--- a/modules/varbase_features/varbase_tour/varbase_tour.module
+++ b/modules/varbase_features/varbase_tour/varbase_tour.module
@@ -46,7 +46,11 @@ function varbase_tour_page_attachments(array &$page) {
  */
 function varbase_tour_theme($existing, $type, $theme, $path) {
   return [
-    'welcome_modal' => [],
+    'welcome_modal' => [
+      'variables' => [
+        'items' => [],
+      ],
+    ],
   ];
 }