diff --git a/ErgometerDoctorApplication/Client/SessionWindow.cs b/ErgometerDoctorApplication/Client/SessionWindow.cs
index aa469fc..7bb5a82 100644
--- a/ErgometerDoctorApplication/Client/SessionWindow.cs
+++ b/ErgometerDoctorApplication/Client/SessionWindow.cs
@@ -46,6 +46,7 @@ namespace ErgometerDoctorApplication
             {
                 panelClientChat.richTextBox1.Enabled = false;
                 panelClientChat.button1.Enabled = false;
+                panelDataViewLeft.Visible = false;
             }
         }