diff --git a/Microsoft.Research/Contracts/Microsoft.VisualBasic.Contracts/Microsoft.VisualBasic10.vbproj b/Microsoft.Research/Contracts/Microsoft.VisualBasic.Contracts/Microsoft.VisualBasic10.vbproj
index 8bf150ab..5300fdae 100644
--- a/Microsoft.Research/Contracts/Microsoft.VisualBasic.Contracts/Microsoft.VisualBasic10.vbproj
+++ b/Microsoft.Research/Contracts/Microsoft.VisualBasic.Contracts/Microsoft.VisualBasic10.vbproj
@@ -14,7 +14,7 @@
     <AssemblyName>Microsoft.VisualBasic</AssemblyName>
     <FileAlignment>512</FileAlignment>
     <CodeContractsReferenceAssembly>Build</CodeContractsReferenceAssembly>
-    <MyType>Windows</MyType>
+    <MyType>Empty</MyType>
     <TargetFrameworkVersion>v4.0</TargetFrameworkVersion>
     <TargetFrameworkProfile />
   </PropertyGroup>
@@ -182,4 +182,4 @@
   <Target Name="AfterBuild">
   </Target>
   -->
-</Project>
\ No newline at end of file
+</Project>