diff --git a/src/Spring/Spring.Core/Spring.Core.2008.csproj b/src/Spring/Spring.Core/Spring.Core.2008.csproj
index d369b2fa..e262ff9b 100644
--- a/src/Spring/Spring.Core/Spring.Core.2008.csproj
+++ b/src/Spring/Spring.Core/Spring.Core.2008.csproj
@@ -954,6 +954,9 @@
     </Compile>
     <Compile Include="Objects\Factory\Support\DependencyCheckingMode.cs">
       <SubType>Code</SubType>
+    </Compile>
+	<Compile Include="Objects\Factory\Support\DisposableObjectAdapter.cs">
+      <SubType>Code</SubType>
     </Compile>
     <Compile Include="Objects\Factory\Support\IInstantiationStrategy.cs">
       <SubType>Code</SubType>