diff --git a/MgAdmob/Services/Interstitial/MgInterstitialService.android.cs b/MgAdmob/Services/Interstitial/MgInterstitialService.android.cs
index 9f79d21..44a0589 100644
--- a/MgAdmob/Services/Interstitial/MgInterstitialService.android.cs
+++ b/MgAdmob/Services/Interstitial/MgInterstitialService.android.cs
@@ -55,14 +55,12 @@ public void ShowInterstitial()
 
       if (!IsLoaded)
       {
-         _interstitialAd.Show(Android.App.Application.Context.GetActivity());
-
-         _interstitialAd = null;
-      }
-      else
-      {
-         throw new ApplicationException("Interstitial Ad not loaded, call LoadInterstitial() first");
+         throw new ApplicationException($"Interstitial Ad not loaded, call {nameof(LoadInterstitial)}() first");
       }
+
+      _interstitialAd.Show(Android.App.Application.Context.GetActivity());
+
+      _interstitialAd = null;
    }
 
    public override void OnInterstitialAdLoaded(InterstitialAd interstitialAd)
@@ -72,10 +70,10 @@ public override void OnInterstitialAdLoaded(InterstitialAd interstitialAd)
       _interstitialAd = interstitialAd;
 
       _interstitialAd.FullScreenContentCallback = new MgInterstitialFullScreenContentCallback(_implementation);
-      
+
       _implementation.OnInterstitialLoaded();
    }
-   
+
    public override void OnAdFailedToLoad(LoadAdError error)
    {
       base.OnAdFailedToLoad(error);
diff --git a/MgAdmob/Services/Interstitial/MgInterstitialService.apple.cs b/MgAdmob/Services/Interstitial/MgInterstitialService.apple.cs
index da4e969..41e142c 100644
--- a/MgAdmob/Services/Interstitial/MgInterstitialService.apple.cs
+++ b/MgAdmob/Services/Interstitial/MgInterstitialService.apple.cs
@@ -101,7 +101,7 @@ public void ShowInterstitial()
 
       if (!IsLoaded)
       {
-         throw new ApplicationException("Interstitial Ad not loaded, call LoadInterstitial() first");
+         throw new ApplicationException($"Interstitial Ad not loaded, call {nameof(LoadInterstitial)}() first");
       }
 
       var window = UIApplication.SharedApplication.KeyWindow;
diff --git a/MgAdmob/Services/Rewarded/MgRewardService.apple.cs b/MgAdmob/Services/Rewarded/MgRewardService.apple.cs
index dc3adc2..10c58d2 100644
--- a/MgAdmob/Services/Rewarded/MgRewardService.apple.cs
+++ b/MgAdmob/Services/Rewarded/MgRewardService.apple.cs
@@ -116,7 +116,7 @@ public void ShowRewardedVideo()
 
       if (!IsLoaded)
       {
-         throw new ApplicationException($"Reward Ad not loaded, call {nameof(LoadRewardedVideo)}()");
+         throw new ApplicationException($"Reward Ad not loaded, call {nameof(LoadRewardedVideo)}() first");
       }
 
       var window = UIApplication.SharedApplication.KeyWindow;