diff --git a/docs/ios/platform/healthkit.md b/docs/ios/platform/healthkit.md
index 4d6b921d5..4752c385b 100644
--- a/docs/ios/platform/healthkit.md
+++ b/docs/ios/platform/healthkit.md
@@ -170,6 +170,7 @@ private HKHealthStore healthKitStore = new HKHealthStore ();
 
 public override void OnActivated (UIApplication application)
 {
+        base.OnActivated(application);
         ValidateAuthorization ();
 }
 
@@ -433,4 +434,4 @@ Finally, we've taking a look at a simple implementation of Health Kit using the
 ## Related Links
 
 - [HKWork (sample)](/samples/xamarin/ios-samples/ios8-introtohealthkit)
-- [Introduction to iOS 8](~/ios/platform/introduction-to-ios8.md)
\ No newline at end of file
+- [Introduction to iOS 8](~/ios/platform/introduction-to-ios8.md)