diff --git a/lib/classes/sidebar/OptionsWidget.php b/lib/classes/sidebar/OptionsWidget.php
index 2c56de0af91ae5c8e764245298aab4931ec36041..5f44c0c7aa0910e6e96bc365738067a0bccb7d84 100644
--- a/lib/classes/sidebar/OptionsWidget.php
+++ b/lib/classes/sidebar/OptionsWidget.php
@@ -93,7 +93,7 @@ class OptionsWidget extends ListWidget
      */
     public function addSelect(
         string $label,
-        string $url,
+        $url,
         string $name,
         array $options,
         $selected_option = false,