diff --git a/src/scripts/OutSystems/OSUI/Utils/Menu.ts b/src/scripts/OutSystems/OSUI/Utils/Menu.ts
index 1360c6e837..da841dd3cb 100644
--- a/src/scripts/OutSystems/OSUI/Utils/Menu.ts
+++ b/src/scripts/OutSystems/OSUI/Utils/Menu.ts
@@ -114,7 +114,7 @@ namespace OutSystems.OSUI.Utils.Menu {
 
 	// OrientationChange handler
 	const _onOrientationChangeCallbackHandler = (callback: OSFramework.OSUI.GlobalCallbacks.Generic): void => {
-		if (callback) {
+		if (typeof callback === 'function') {
 			OSFramework.OSUI.Helper.ApplySetTimeOut(() => {
 				_onOrientationChangeCallback();
 			}, 300);