diff --git a/ios/Classes/BarcodeScanPlugin.h b/ios/Classes/BarcodeScanPlugin.h
index 197399e..d6b1bab 100644
--- a/ios/Classes/BarcodeScanPlugin.h
+++ b/ios/Classes/BarcodeScanPlugin.h
@@ -9,6 +9,6 @@
 
 @interface BarcodeScanPlugin : NSObject<FlutterPlugin, BarcodeScannerViewControllerDelegate>
 
-@property(nonatomic, retain) FlutterResult result;
+@property(nonatomic, copy) FlutterResult result;
 @property (nonatomic, assign) UIViewController *hostViewController;
 @end