diff --git a/src/Avalonia.Native/Properties/AssemblyInfo.cs b/src/Avalonia.Native/Properties/AssemblyInfo.cs
new file mode 100644
index 0000000000..7bbd7be747
--- /dev/null
+++ b/src/Avalonia.Native/Properties/AssemblyInfo.cs
@@ -0,0 +1,4 @@
+using Avalonia.MonoMac;
+using Avalonia.Platform;
+
+[assembly: ExportWindowingSubsystem(OperatingSystemType.OSX, 1, "MonoMac", typeof(MonoMacPlatform), nameof(MonoMacPlatform.Initialize))]