diff --git a/Event/EventManager.js b/Event/EventManager.js
index 0eb3876..241af78 100644
--- a/Event/EventManager.js
+++ b/Event/EventManager.js
@@ -151,7 +151,7 @@ export class EventManager
      */
     trigger (group, id = '', data = null)
     {
-        if (typeof this.callback[group] === 'undefined') {
+        if (typeof this.callbacks[group] === 'undefined') {
             return false;
         }