Index: src/basegui.cpp
===================================================================
--- src/basegui.cpp	(revision 8954)
+++ src/basegui.cpp	(working copy)
@@ -5635,12 +5635,20 @@
 
 void BaseGui::aboutToEnterCompactMode() {
 	menuBar()->hide();
-	statusBar()->hide();
+    statusBar()->hide();
+
+    Qt::WindowFlags flags = Qt::Window;
+    flags |= windowFlags() & Qt::WindowStaysOnTopHint ? Qt::WindowStaysOnTopHint : Qt::Window;
+    setWindowFlags(flags | Qt::CustomizeWindowHint);
+    show();
 }
 
 void BaseGui::aboutToExitCompactMode() {
 	menuBar()->show();
 	statusBar()->show();
+
+    setWindowFlags(windowFlags() & ~Qt::CustomizeWindowHint);
+    show();
 }
 
 void BaseGui::setStayOnTop(bool b) {