diff --git a/qad_application/emainwindow.cpp b/qad_application/emainwindow.cpp
index c22f19c..e2389ca 100644
--- a/qad_application/emainwindow.cpp
+++ b/qad_application/emainwindow.cpp
@@ -221,11 +221,12 @@ bool EMainWindow::checkSave() {
 
 
 void EMainWindow::changedDock() {
+	if (isHidden()) return;
 	QList<QTabBar * > tabs(findChildren<QTabBar * >());
 	QList<QDockWidget * > docks = findChildren<QDockWidget * >();
 	QSet<QDockWidget * > docks_tabs;
 	QDockWidget * dock;
-	//qDebug() << "change";
+//	qDebug() << "### change";
 	foreach (QTabBar * t, tabs) {
 		if (!t->objectName().isEmpty() || t->isHidden()) continue;
 		if (!tbars.contains(t)) {
@@ -235,10 +236,10 @@ void EMainWindow::changedDock() {
 			t->setIconSize(dockTabsIconSIze());
 			t->setTabsClosable(true);
 		}
-		//qDebug() << "tab";
+//		qDebug() << "tab" << t << t->count();
 		for (int i = 0; i < t->count(); ++i) {
 			dock = (QDockWidget * )t->tabData(i).toULongLong();
-			//qDebug() << i << dock;
+			//qDebug() << i << t->tabData(i);
 			if (dock == 0) continue;
 			t->setTabIcon(i, dock->windowIcon());
 			docks_tabs << dock;
@@ -258,7 +259,8 @@ void EMainWindow::changedDock() {
 		}
 		if (!tdocks.contains(d)) {
 			tdocks << d;
-			//connect(t, SIGNAL((QObject*)), this, SLOT(changedDockClose(QObject*)));
+//			qDebug() << "connect" << d;
+//			connect(d, SIGNAL(destroyed(QObject*)), this, SLOT(changedDockClose(QObject*)), Qt::UniqueConnection);
 			d->installEventFilter(this);
 		}
 		//d->titleBarWidget()->setHidden(docks_tabs.contains(d));
@@ -275,11 +277,17 @@ void EMainWindow::changedDock() {
 }
 
 
-void EMainWindow::changedDockClose(QObject * bar) {
-	//qDebug() << "close" << bar;
-	tbars.removeAll((QTabBar * )bar);
-	changedDock();
-}
+//void EMainWindow::changedDockClose(QObject * dock) {
+//	qDebug() << "changedDockClose" << dock;
+//	if (!dock) return;
+//	foreach (QTabBar * t, tbars) {
+//		for (int i = 0; i < t->count(); ++i)
+//			if (t->tabData(i).toULongLong() == (qulonglong)dock) {
+//				t->removeTab(i);
+//				break;
+//			}
+//	}
+//}
 
 
 void EMainWindow::closeDock(int index) {
diff --git a/qad_application/emainwindow.h b/qad_application/emainwindow.h
index 1d1d186..0d235a2 100644
--- a/qad_application/emainwindow.h
+++ b/qad_application/emainwindow.h
@@ -59,7 +59,7 @@ public:
 	virtual bool save(const QString & path) {return true;}
 	
 	void addSeparator() {}
-	
+
 protected:
 	// Qt`s overloaded
 	void showEvent(QShowEvent * );
@@ -90,7 +90,7 @@ protected:
 
 private slots:
 	void changedDock();
-	void changedDockClose(QObject * bar);
+//	void changedDockClose(QObject * dock);
 	void closeDock(int index);
 	virtual void sessionLoading(QPIConfig & conf) {}
 	virtual void sessionSaving(QPIConfig & conf) {}