diff --git a/DesktopNotifications.FreeDesktop/FreeDesktopNotificationProxy.cs b/DesktopNotifications.FreeDesktop/FreeDesktopNotificationProxy.cs
index 8f2c5ac..7f3864c 100644
--- a/DesktopNotifications.FreeDesktop/FreeDesktopNotificationProxy.cs
+++ b/DesktopNotifications.FreeDesktop/FreeDesktopNotificationProxy.cs
@@ -1,4 +1,6 @@
-using System;
+#nullable disable
+
+using System;
 using System.Collections.Generic;
 using System.Runtime.CompilerServices;
 using System.Threading.Tasks;