diff --git a/foreign dlls/WebPages/Microsoft.Web.Infrastructure.dll b/foreign dlls/WebPages/Microsoft.Web.Infrastructure.dll
new file mode 100644
index 0000000000..85f1138c57
Binary files /dev/null and b/foreign dlls/WebPages/Microsoft.Web.Infrastructure.dll differ
diff --git a/umbraco.sln b/umbraco.sln
index 4f4e3949dd..413183e545 100644
--- a/umbraco.sln
+++ b/umbraco.sln
@@ -66,6 +66,7 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "DLLs", "DLLs", "{F06D18F6-C
 		IronPython License.Rtf = IronPython License.Rtf
 		License.txt = License.txt
 		foreign dlls\Microsoft.ApplicationBlocks.Data.dll = foreign dlls\Microsoft.ApplicationBlocks.Data.dll
+		foreign dlls\WebPages\Microsoft.Web.Infrastructure.dll = foreign dlls\WebPages\Microsoft.Web.Infrastructure.dll
 		foreign dlls\MySql.Data.dll = foreign dlls\MySql.Data.dll
 		foreign dlls\TidyNet.dll = foreign dlls\TidyNet.dll
 		foreign dlls\UmbracoExamine.dll = foreign dlls\UmbracoExamine.dll