--- a/QTfrontend/net/tcpBase.cpp	Sat Dec 30 01:31:27 2017 +0100
+++ b/QTfrontend/net/tcpBase.cpp	Sun Mar 11 20:43:15 2018 +0100
@@ -228,7 +228,7 @@
 {
     Q_UNUSED(exitStatus);
 
-    if(!m_connected)
+    if(m_connected)
       ClientDisconnect();
 
     // show error message if there was an error that was not an engine's