diff --git a/src/Orchard.Web/Web.config b/src/Orchard.Web/Web.config
index 8cef8bee4..3413572ba 100644
--- a/src/Orchard.Web/Web.config
+++ b/src/Orchard.Web/Web.config
@@ -8,7 +8,8 @@
     \Windows\Microsoft.Net\Framework\v2.x\Config 
 -->
 <configuration>
-	<appSettings/>
+
+  <appSettings/>
 	<system.diagnostics configSource="Config\Diagnostics.config"/>
 	<!-- 
         Set default transaction timeout to 30 minutes so that interactive debugging 
@@ -26,7 +27,10 @@
             during development.
     -->
 		<compilation debug="true" targetFramework="4.0">
-			<assemblies>
+      <buildProviders>
+        <add extension=".csproj" type="Orchard.Environment.Extensions.Loaders.CSharpExtensionBuildProvider"/>
+      </buildProviders>
+      <assemblies>
 				<add assembly="System.Web.Mvc, Version=2.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/>
 				<add assembly="System.Web.Abstractions, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/>
 				<add assembly="System.Web.Routing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/>
@@ -114,8 +118,9 @@
 		</handlers>
 	</system.webServer>
 	<runtime>
-		<assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
-			<dependentAssembly>
+    <assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
+      <probing privatePath="App_Data/Dependencies"/>
+      <dependentAssembly>
 				<assemblyIdentity name="System.Web.Mvc" publicKeyToken="31bf3856ad364e35"/>
 				<bindingRedirect oldVersion="1.0.0.0" newVersion="2.0.0.0"/>
 			</dependentAssembly>