diff --git a/flutter_local_notifications/macos/Classes/FlutterLocalNotificationsPlugin.swift b/flutter_local_notifications/macos/Classes/FlutterLocalNotificationsPlugin.swift
index 28f1a1eda..691befb93 100644
--- a/flutter_local_notifications/macos/Classes/FlutterLocalNotificationsPlugin.swift
+++ b/flutter_local_notifications/macos/Classes/FlutterLocalNotificationsPlugin.swift
@@ -524,7 +524,7 @@ public class FlutterLocalNotificationsPlugin: NSObject, FlutterPlugin, UNUserNot
                         options[UNNotificationAttachmentOptionsThumbnailHiddenKey] = hideThumbnail
                     }
                     if let thumbnailClippingRect = attachment[MethodCallArguments.attachmentThumbnailClippingRect] as? [String: Any] {
-                        let rect = CGRectMake(thumbnailClippingRect["x"] as! Double, thumbnailClippingRect["y"] as! Double, thumbnailClippingRect["width"] as! Double, thumbnailClippingRect["height"] as! Double)
+                        let rect = CGRect(x: thumbnailClippingRect["x"] as! Double, y: thumbnailClippingRect["y"] as! Double, width: thumbnailClippingRect["width"] as! Double, height: thumbnailClippingRect["height"] as! Double)
                         options[UNNotificationAttachmentOptionsThumbnailClippingRectKey] = rect.dictionaryRepresentation
                     }
                     let notificationAttachment = try UNNotificationAttachment.init(