diff --git a/packages/Avalonia/AvaloniaBuildTasks.props b/packages/Avalonia/AvaloniaBuildTasks.props
index 8b452c7890..21cc77a1ff 100644
--- a/packages/Avalonia/AvaloniaBuildTasks.props
+++ b/packages/Avalonia/AvaloniaBuildTasks.props
@@ -1,6 +1,7 @@
 <Project DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup>
     <AvailableItemName Include="AvaloniaXaml" />
+    <AvailableItemName Include="AvaloniaResource" />
     <PropertyPageSchema Include="$(MSBuildThisFileDirectory)AvaloniaItemSchema.xaml" />
     <AvaloniaXaml Include="**\*.axaml" />
     <AvaloniaXaml Include="**\*.paml" />
diff --git a/packages/Avalonia/AvaloniaBuildTasks.targets b/packages/Avalonia/AvaloniaBuildTasks.targets
index 6a4db38b28..68b54c0916 100644
--- a/packages/Avalonia/AvaloniaBuildTasks.targets
+++ b/packages/Avalonia/AvaloniaBuildTasks.targets
@@ -82,5 +82,6 @@
   
   <ItemGroup>
     <UpToDateCheckInput Include="@(AvaloniaResource)" />
+    <UpToDateCheckInput Include="@(AvaloniaXaml)" />
   </ItemGroup>
 </Project>
diff --git a/packages/Avalonia/AvaloniaItemSchema.xaml b/packages/Avalonia/AvaloniaItemSchema.xaml
index b103e69c4f..a51ea3c0be 100644
--- a/packages/Avalonia/AvaloniaItemSchema.xaml
+++ b/packages/Avalonia/AvaloniaItemSchema.xaml
@@ -10,4 +10,9 @@
     <ItemType Name="AvaloniaXaml" DisplayName="Avalonia XAML" />
     <FileExtension Name=".axaml" ContentType="AvaloniaXaml" />
     <FileExtension Name=".paml" ContentType="AvaloniaXaml" />
+    <ContentType
+        Name="AvaloniaResource"
+        DisplayName="Avalonia Resource"
+        ItemType="AvaloniaResource"
+    />
 </ProjectSchemaDefinitions>