diff --git a/src/iad.cs b/src/iad.cs
index c4242ff86fe..9a8480d22c5 100644
--- a/src/iad.cs
+++ b/src/iad.cs
@@ -225,6 +225,7 @@ partial interface IAdAdditions {
 		void SetCanDisplayBannerAds (bool value);
 
 		[Since (7,0), Export ("originalContentView")]
+		[NullAllowed]
 		UIView GetOriginalContentView ();
 
 		[Since (7,0), Export ("isPresentingFullScreenAd")]