diff --git a/demo/Semi.Avalonia.Demo/Pages/VariablesDemo.axaml b/demo/Semi.Avalonia.Demo/Pages/VariablesDemo.axaml
index 151ee54..39f869c 100644
--- a/demo/Semi.Avalonia.Demo/Pages/VariablesDemo.axaml
+++ b/demo/Semi.Avalonia.Demo/Pages/VariablesDemo.axaml
@@ -6,7 +6,8 @@
              xmlns:pages="clr-namespace:Semi.Avalonia.Demo.Pages"
              mc:Ignorable="d" d:DesignWidth="800" d:DesignHeight="450"
              x:Class="Semi.Avalonia.Demo.Pages.VariablesDemo"
-             x:DataType="vm:VariablesDemoViewModel">
+             x:DataType="vm:VariablesDemoViewModel"
+             x:CompileBindings="True">
     <Design.DataContext>
         <vm:VariablesDemoViewModel />
     </Design.DataContext>