diff -r 29b891dbf2a0 -r dc53b4b66fa0 QTfrontend/ui/widget/gamecfgwidget.cpp
--- a/QTfrontend/ui/widget/gamecfgwidget.cpp	Fri Feb 01 08:47:07 2013 -0500
+++ b/QTfrontend/ui/widget/gamecfgwidget.cpp	Fri Feb 01 18:07:43 2013 -0500
@@ -49,6 +49,7 @@
     setMaximumHeight(447);
     setMinimumWidth(470);
     setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
+    m_master = true;
 
     // Easy containers for the map/game options in either stacked or tabbed mode
 
@@ -678,6 +679,7 @@
 
 void GameCFGWidget::setMaster(bool master)
 {
+    if (master == m_master) return;
     m_master = master;
 
     pMapContainer->setMaster(master);