diff --git a/src/AddIns/Misc/AddInManager2/AddInManager2.Tests/AddInManager2.Tests.csproj b/src/AddIns/Misc/AddInManager2/AddInManager2.Tests/AddInManager2.Tests.csproj
index 700325bc75..4a8a55290e 100644
--- a/src/AddIns/Misc/AddInManager2/AddInManager2.Tests/AddInManager2.Tests.csproj
+++ b/src/AddIns/Misc/AddInManager2/AddInManager2.Tests/AddInManager2.Tests.csproj
@@ -68,6 +68,7 @@
     <Compile Include="..\..\..\..\..\..\SharpDevelop\src\Main\GlobalAssemblyInfo.cs">
       <Link>Configuration\GlobalAssemblyInfo.cs</Link>
     </Compile>
+    <Compile Include="AddInSetupTests.cs" />
     <Compile Include="Configuration\AssemblyInfo.cs" />
     <Compile Include="Fakes\FakeAddInSetup.cs" />
     <Compile Include="Fakes\FakeNuGetCorePackageManager.cs" />