diff --git a/samples/ControlCatalog/Pages/ListBoxPage.xaml.cs b/samples/ControlCatalog/Pages/ListBoxPage.xaml.cs
index cdbf8fd2b6..0f2d4461bf 100644
--- a/samples/ControlCatalog/Pages/ListBoxPage.xaml.cs
+++ b/samples/ControlCatalog/Pages/ListBoxPage.xaml.cs
@@ -78,7 +78,7 @@ namespace ControlCatalog.Pages
                 }
             }
 
-            private string GenerateItem() => $"Item {_counter++}";
+            private string GenerateItem() => $"Item {_counter++.ToString()}";
         }
     }
 }