diff --git a/MVCGrid/Web/MVCGridHandler.cs b/MVCGrid/Web/MVCGridHandler.cs
index fd62ccd..feb2712 100644
--- a/MVCGrid/Web/MVCGridHandler.cs
+++ b/MVCGrid/Web/MVCGridHandler.cs
@@ -16,7 +16,7 @@
 
 namespace MVCGrid.Web
 {
-    public class MVCGridHandler : IHttpHandler
+    public class MVCGridHandler : IHttpHandler, System.Web.SessionState.IRequiresSessionState
     {
         static object _lock = new object();
         static bool _init = false;