diff --git a/src/extension-registry.es6 b/src/extension-registry.es6
index f35310ed6..b7dfbcccf 100644
--- a/src/extension-registry.es6
+++ b/src/extension-registry.es6
@@ -35,9 +35,7 @@ export class Registry {
     this._registry = new Map();
   }
 
-  triggerDebounced() {
-    _.debounce(()=> this.trigger(), 1);
-  }
+  triggerDebounced = _.debounce(::this.trigger, 1);
 
   validateExtension(extension, method) {
     if (!extension || Array.isArray(extension) || !_.isObject(extension)) {