diff --git a/samples/ColorBlenderAvalonia/ColorBlenderAvalonia.csproj b/samples/ColorBlenderAvalonia/ColorBlenderAvalonia.csproj
index ea55a06..3dac773 100644
--- a/samples/ColorBlenderAvalonia/ColorBlenderAvalonia.csproj
+++ b/samples/ColorBlenderAvalonia/ColorBlenderAvalonia.csproj
@@ -16,6 +16,7 @@
 
   <Import Project="$(MSBuildThisFileDirectory)..\..\build\Avalonia.props" />
   <Import Project="$(MSBuildThisFileDirectory)..\..\build\Avalonia.Desktop.props" />
+  <Import Project="$(MSBuildThisFileDirectory)..\..\build\Avalonia.Diagnostics.props" />
 
   <ItemGroup>
     <ProjectReference Include="..\..\src\Avalonia.Controls.ColorBlender\Avalonia.Controls.ColorBlender.csproj" />