diff --git a/MatterControl.csproj b/MatterControl.csproj
index a78759050..c97edc301 100644
--- a/MatterControl.csproj
+++ b/MatterControl.csproj
@@ -70,6 +70,7 @@
 		<ProjectReference Include="MatterControl.SLA\MatterControl.SLA.csproj" />
 		<ProjectReference Include="MatterControl.Winforms\MatterControl.Winforms.csproj" />
 		<ProjectReference Include="MatterControlLib\MatterControlLib.csproj" />
+		<ProjectReference Include="Plugins\MatterControl.PartSheet\MatterControl.PartSheet.csproj" />
 		<ProjectReference Include="PrinterDriverInstaller\InfInstaller.csproj" />
 		<ProjectReference Include="Submodules\agg-sharp\agg\Agg.csproj" />
 		<ProjectReference Include="Submodules\agg-sharp\Glfw\GlfwProvider.csproj" />