diff --git a/samples/admob/rewarded_interstitial_example/lib/main.dart b/samples/admob/rewarded_interstitial_example/lib/main.dart
index 8870fdddc..9e876b60b 100644
--- a/samples/admob/rewarded_interstitial_example/lib/main.dart
+++ b/samples/admob/rewarded_interstitial_example/lib/main.dart
@@ -242,7 +242,9 @@ class RewardedInterstitialExampleState
 
     var canRequestAds = await _consentManager.canRequestAds();
     if (canRequestAds) {
-      _isMobileAdsInitializeCalled = true;
+      setState(() {
+        _isMobileAdsInitializeCalled = true;
+      });
 
       // Initialize the Mobile Ads SDK.
       MobileAds.instance.initialize();