diff --git a/TGControlPanel/ControlPanel/ControlPanel.cs b/TGControlPanel/ControlPanel/ControlPanel.cs
index 5149d22b5b..dfdc564de0 100644
--- a/TGControlPanel/ControlPanel/ControlPanel.cs
+++ b/TGControlPanel/ControlPanel/ControlPanel.cs
@@ -63,6 +63,7 @@ namespace TGControlPanel
 		/// </summary>
 		void Cleanup()
 		{
+			InstancesInUse.Remove(Interface.InstanceName);
 			Interface.Dispose();
 		}