diff --git a/Windows/Perspex.Direct2D1/Perspex.Direct2D1.csproj b/Windows/Perspex.Direct2D1/Perspex.Direct2D1.csproj
index e4b15e3140..32c704daa8 100644
--- a/Windows/Perspex.Direct2D1/Perspex.Direct2D1.csproj
+++ b/Windows/Perspex.Direct2D1/Perspex.Direct2D1.csproj
@@ -70,6 +70,7 @@
   </ItemGroup>
   <ItemGroup>
     <Compile Include="Direct2D1Platform.cs" />
+    <Compile Include="GlobalSuppressions.cs" />
     <Compile Include="Media\BrushWrapper.cs" />
     <Compile Include="Media\DrawingContext.cs" />
     <Compile Include="Media\Imaging\RenderTargetBitmapImpl.cs" />