diff --git a/samples/ControlCatalog/Pages/TabControlPage.xaml b/samples/ControlCatalog/Pages/TabControlPage.xaml
index 8e353cf651..a088d078d3 100644
--- a/samples/ControlCatalog/Pages/TabControlPage.xaml
+++ b/samples/ControlCatalog/Pages/TabControlPage.xaml
@@ -53,7 +53,7 @@
                 <TabControl
                     Items="{Binding Tabs}"
                     Margin="0 16"
-                    HeaderDisplayMemberBinding="{Binding Header}"
+                    HeaderDisplayMemberBinding="{Binding Header, x:DataType=viewModels:TabControlPageViewModelItem}"
                     TabStripPlacement="{Binding TabPlacement}">
                     <TabControl.ContentTemplate>
                         <DataTemplate>