diff --git a/SampleApplications/Samples/ClientControls.Net4/ExceptionDlg.cs b/SampleApplications/Samples/ClientControls.Net4/ExceptionDlg.cs
index 7d1fd57c25..931e8fa3e1 100644
--- a/SampleApplications/Samples/ClientControls.Net4/ExceptionDlg.cs
+++ b/SampleApplications/Samples/ClientControls.Net4/ExceptionDlg.cs
@@ -46,7 +46,7 @@ namespace Opc.Ua.Client.Controls
         /// </summary>
         public ExceptionDlg()
         {
-            //InitializeComponent();
+            InitializeComponent();
         }
 
         private Exception m_exception;