diff --git a/src/Orchard.Web/Modules/Orchard.Scripting.CSharp/Services/CSharpService.cs b/src/Orchard.Web/Modules/Orchard.Scripting.CSharp/Services/CSharpService.cs
index bb8594d3e..dcc1c46c5 100644
--- a/src/Orchard.Web/Modules/Orchard.Scripting.CSharp/Services/CSharpService.cs
+++ b/src/Orchard.Web/Modules/Orchard.Scripting.CSharp/Services/CSharpService.cs
@@ -52,6 +52,7 @@ namespace Orchard.Scripting.CSharp.Services {
 
             Engine.Run("using System;");
             Engine.Run("using System.Collections.Generic;");
+            Engine.Run("using System.Linq;");
             Engine.Run("var dictionary = new Dictionary<string, dynamic>();");
             Dictionary = Engine.Evaluate("dictionary") as IDictionary<string, dynamic>;
         }