diff --git a/nativescript-core/ui/core/control-state-change/control-state-change.ios.ts b/nativescript-core/ui/core/control-state-change/control-state-change.ios.ts
index e903adebf..4b4f27b3e 100644
--- a/nativescript-core/ui/core/control-state-change/control-state-change.ios.ts
+++ b/nativescript-core/ui/core/control-state-change/control-state-change.ios.ts
@@ -22,7 +22,7 @@ export class ControlStateChangeListener implements ControlStateChangeListenerDef
     private _callback: (state: string) => void;
 
     constructor(control: UIControl, callback: (state: string) => void) {
-        this._observer = ObserverClass.alloc();
+        this._observer = ObserverClass.alloc().init();
         this._observer["_owner"] = this;
         this._control = control;
         this._callback = callback;