diff --git a/packages/Avalonia/AvaloniaBuildTasks.props b/packages/Avalonia/AvaloniaBuildTasks.props
index 21cc77a1ff..8f98f5424a 100644
--- a/packages/Avalonia/AvaloniaBuildTasks.props
+++ b/packages/Avalonia/AvaloniaBuildTasks.props
@@ -9,5 +9,9 @@
       <DependentUpon>%(Filename)</DependentUpon>
       <SubType>Code</SubType>
     </Compile>
+    <Compile Update="**\*.axaml.cs">
+      <DependentUpon>%(Filename)</DependentUpon>
+      <SubType>Code</SubType>
+    </Compile>
   </ItemGroup>
 </Project>