diff --git a/src/Uno.UWP/UI/Popups/MessageDialog.Interop.wasm.cs b/src/Uno.UWP/UI/Popups/MessageDialog.Interop.wasm.cs
index 245fd67dc871..3bfa16a52d79 100644
--- a/src/Uno.UWP/UI/Popups/MessageDialog.Interop.wasm.cs
+++ b/src/Uno.UWP/UI/Popups/MessageDialog.Interop.wasm.cs
@@ -7,7 +7,9 @@ internal partial class MessageDialog
 	{
 		internal static partial class NativeMethods
 		{
+			[JSImport("globalThis.alert")]
+			internal static partial void Alert(string message);
 		}
 	}
 }
-#endif
\ No newline at end of file
+#endif
diff --git a/src/Uno.UWP/UI/Popups/MessageDialog.wasm.cs b/src/Uno.UWP/UI/Popups/MessageDialog.wasm.cs
index 907726332374..e59520ca5e57 100644
--- a/src/Uno.UWP/UI/Popups/MessageDialog.wasm.cs
+++ b/src/Uno.UWP/UI/Popups/MessageDialog.wasm.cs
@@ -23,8 +23,12 @@ private IAsyncOperation<IUICommand> ShowNativeAsync(CancellationToken ct)
 	{
 		VisualTreeHelperProxy.CloseAllFlyouts();
 
+#if NET7_0_OR_GREATER
+		NativeMethods.Alert(Content);
+#else
 		var command = $"Uno.UI.WindowManager.current.alert(\"{Uno.Foundation.WebAssemblyRuntime.EscapeJs(Content)}\");";
 		Uno.Foundation.WebAssemblyRuntime.InvokeJS(command);
+#endif
 
 		return AsyncOperation.FromTask<IUICommand>(
 			ct => Task.FromResult<IUICommand>(new UICommand("OK")) // TODO: Localize (PBI 28711)