diff --git a/src/DockFocusController.cpp b/src/DockFocusController.cpp
old mode 100644
new mode 100755
index 27acc4a..19a94f8
--- a/src/DockFocusController.cpp
+++ b/src/DockFocusController.cpp
@@ -260,7 +260,8 @@ void CDockFocusController::onFocusWindowChanged(QWindow *focusWindow)
 		return;
 	}
 
-	d->updateDockWidgetFocus(DockWidget);
+    if(DockWidget->dockManager() == d->DockManager)
+        d->updateDockWidgetFocus(DockWidget);
 }
 
 
@@ -298,10 +299,11 @@ void CDockFocusController::onApplicationFocusChanged(QWidget* focusedOld, QWidge
     if (!DockWidget || DockWidget->tabWidget()->isHidden())
 	{
     	return;
-	}
+    }
 #endif
 
-	d->updateDockWidgetFocus(DockWidget);
+    if(DockWidget->dockManager() == d->DockManager)
+        d->updateDockWidgetFocus(DockWidget);
 }
 
 
@@ -309,7 +311,7 @@ void CDockFocusController::onApplicationFocusChanged(QWidget* focusedOld, QWidge
 void CDockFocusController::setDockWidgetTabFocused(CDockWidgetTab* Tab)
 {
 	auto DockWidget = Tab->dockWidget();
-	if (DockWidget)
+    if (DockWidget && DockWidget->dockManager() == d->DockManager)
 	{
 		d->updateDockWidgetFocus(DockWidget);
 	}
@@ -327,7 +329,8 @@ void CDockFocusController::clearDockWidgetFocus(CDockWidget* dockWidget)
 //===========================================================================
 void CDockFocusController::setDockWidgetFocused(CDockWidget* focusedNow)
 {
-	d->updateDockWidgetFocus(focusedNow);
+    if(focusedNow->dockManager() == d->DockManager)
+        d->updateDockWidgetFocus(focusedNow);
 }