diff --git a/Example-Objc/FullScreenExampleViewController.m b/Example-Objc/FullScreenExampleViewController.m
index 607b049..b709375 100644
--- a/Example-Objc/FullScreenExampleViewController.m
+++ b/Example-Objc/FullScreenExampleViewController.m
@@ -258,11 +258,9 @@ NS_ASSUME_NONNULL_END
         } else {
             
             // Alert
-            UIAlertController *alertController = [[UIAlertController alloc] init];
-            alertController.title = @"Error";
-            alertController.message = @"Permission of calendar is required for fetching events.";
+            UIAlertController *alertController = [UIAlertController alertControllerWithTitle:@"Permission Error" message:@"Permission of calendar is required for fetching events." preferredStyle:UIAlertControllerStyleAlert];
             [alertController addAction:[UIAlertAction actionWithTitle:@"OK" style:UIAlertActionStyleCancel handler:nil]];
-            
+            [self presentViewController:alertController animated:YES completion:nil];
         }
     }];