diff --git a/samples/BindingTest/ViewModels/NestedCommandViewModel.cs b/samples/BindingTest/ViewModels/NestedCommandViewModel.cs
index 3eca481c68..886ecbed8e 100644
--- a/samples/BindingTest/ViewModels/NestedCommandViewModel.cs
+++ b/samples/BindingTest/ViewModels/NestedCommandViewModel.cs
@@ -12,7 +12,7 @@ namespace BindingTest.ViewModels
     {
         public NestedCommandViewModel()
         {
-            Command = ReactiveCommand.Create();
+            Command = ReactiveCommand.Create(() => { });
         }
 
         public ICommand Command { get; }