--- a/QTfrontend/ui/widget/mapContainer.cpp	Wed Nov 19 02:48:11 2014 +0100
+++ b/QTfrontend/ui/widget/mapContainer.cpp	Wed Nov 19 14:43:57 2014 -0500
@@ -233,6 +233,7 @@
     mapFeatureSize->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
     bottomLeftLayout->addWidget(mapFeatureSize, 0);
     connect(mapFeatureSize, SIGNAL(valueChanged(int)), this, SLOT(setFeatureSize(int)));
+    m_childWidgets << mapFeatureSize;
 
     /* Mission description */