diff --git a/demo/webwidget/designdemo/designdemo.lpr b/demo/webwidget/designdemo/designdemo.lpr
index 4436012..db07964 100644
--- a/demo/webwidget/designdemo/designdemo.lpr
+++ b/demo/webwidget/designdemo/designdemo.lpr
@@ -9,8 +9,10 @@ uses
 type
   TMyApplication = class(TBrowserApplication)
   Public
+    {$IFDEF USEIDE}
     FDemo : TDesignDemo;
     FIDEIntf : TIDEClient;
+    {$ENDIF}
     procedure doRun; override;
   end;
 
diff --git a/demo/webwidget/designdemo/webideclient.pp b/demo/webwidget/designdemo/webideclient.pp
index a160bc9..5d0a23d 100644
--- a/demo/webwidget/designdemo/webideclient.pp
+++ b/demo/webwidget/designdemo/webideclient.pp
@@ -26,7 +26,7 @@ type
 
   { TIDEClient }
   TCommandEvent = Procedure (Sender : TObject; aCommands : TJSArray) of object;
-  TActionEvent  = Procedure (Sender : TObject; aID : Int64; aName : String; aPayload : TJSObject) of object;
+  TActionEvent  = Procedure (Sender : TObject; aID : nativeint; aName : String; aPayload : TJSObject) of object;
 
   TIDEClient = Class(TComponent)
   private
@@ -52,7 +52,7 @@ type
     Function GetNextID : NativeInt;
     procedure SendAction(Const aName : String; aPayLoad : TJSObject);
     Property IDEURL : String read FIDEURL Write FIDEURL;
-    Property ClientID : Int64 read FClientID Write FClientID;
+    Property ClientID : nativeint read FClientID Write FClientID;
     Property CommandPollInterval : Integer Read FCommandPollInterval Write FCommandPollInterval;
     Property OnCommands : TCommandEvent Read FOnCommands Write FOnCommands;
     Property OnActionResponse : TActionEvent Read FOnActionResponse Write FOnActionResponse;