diff --git a/build/media_source/system/js/joomla-toolbar-button.w-c.es6.js b/build/media_source/system/js/joomla-toolbar-button.w-c.es6.js
index 81a822b421b75..a49ce4f5397bc 100755
--- a/build/media_source/system/js/joomla-toolbar-button.w-c.es6.js
+++ b/build/media_source/system/js/joomla-toolbar-button.w-c.es6.js
@@ -25,6 +25,7 @@ window.customElements.define('joomla-toolbar-button', class extends HTMLElement
       throw new Error('Joomla API is not properly initiated');
     }
 
+    this.connectedCallback();
     this.disabled = false;
 
     // If list selection is required, set button to disabled by default