diff --git a/src/core/UBDisplayManager.cpp b/src/core/UBDisplayManager.cpp
index 1d441adb..140dc875 100644
--- a/src/core/UBDisplayManager.cpp
+++ b/src/core/UBDisplayManager.cpp
@@ -146,6 +146,11 @@ void UBDisplayManager::setDisplayWidget(QWidget* pDisplayWidget)
 {
     if(pDisplayWidget && (pDisplayWidget != mDisplayWidget))
     {
+        if (mDisplayWidget)
+        {
+            pDisplayWidget->setGeometry(mDisplayWidget->geometry());
+            pDisplayWidget->setWindowFlags(mDisplayWidget->windowFlags());
+        }
         mDisplayWidget = pDisplayWidget;
 		// !!!! Should be included into Windows after QT recompilation
 #ifdef Q_WS_MAC