diff --git a/docs/tutorials/music-store-app/opening-a-dialog.md b/docs/tutorials/music-store-app/opening-a-dialog.md
index f6906f77b..0b72ca9f5 100644
--- a/docs/tutorials/music-store-app/opening-a-dialog.md
+++ b/docs/tutorials/music-store-app/opening-a-dialog.md
@@ -170,7 +170,7 @@ namespace Avalonia.MusicStore.Views
                 action(ViewModel!.ShowDialog.RegisterHandler(DoShowDialogAsync)));
         }
 
-        private async Task DoShowDialogAsync(InteractionContext<MusicStoreViewModel, 
+        private async Task DoShowDialogAsync(IInteractionContext<MusicStoreViewModel, 
                                                 AlbumViewModel?> interaction)
         {
             var dialog = new MusicStoreWindow();