diff --git a/src/Orchard.Web/Core/Orchard.Core.csproj b/src/Orchard.Web/Core/Orchard.Core.csproj
index 265b59d21..00395c023 100644
--- a/src/Orchard.Web/Core/Orchard.Core.csproj
+++ b/src/Orchard.Web/Core/Orchard.Core.csproj
@@ -61,6 +61,10 @@
       <HintPath>..\..\..\lib\aspnetmvc\System.Web.Mvc.dll</HintPath>
     </Reference>
     <Reference Include="System.Web.Routing" />
+    <Reference Include="System.Web.WebPages, Version=1.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
+      <SpecificVersion>False</SpecificVersion>
+      <HintPath>..\..\..\lib\aspnetmvc\System.Web.WebPages.dll</HintPath>
+    </Reference>
     <Reference Include="System.Xml" />
     <Reference Include="System.Configuration" />
     <Reference Include="System.Xml.Linq" />