diff --git a/src/Gui/MainWindow.cpp b/src/Gui/MainWindow.cpp
index 2815d9c2ea..37c1a97832 100644
--- a/src/Gui/MainWindow.cpp
+++ b/src/Gui/MainWindow.cpp
@@ -280,6 +280,7 @@ MainWindow::MainWindow(QWidget * parent, Qt::WindowFlags f)
         tab->setTabsClosable(true);
         // The tabs might be very wide
         tab->setExpanding(false);
+        tab->setObjectName(QString::fromLatin1("mdiAreaTabBar"));
     }
     d->mdiArea->setVerticalScrollBarPolicy(Qt::ScrollBarAsNeeded);
     d->mdiArea->setHorizontalScrollBarPolicy(Qt::ScrollBarAsNeeded);