diff --git a/src/lib/tabwidget/combotabbar.cpp b/src/lib/tabwidget/combotabbar.cpp
index e6581e212..ccea1e257 100644
--- a/src/lib/tabwidget/combotabbar.cpp
+++ b/src/lib/tabwidget/combotabbar.cpp
@@ -1210,17 +1210,19 @@ bool TabBarHelper::event(QEvent* ev)
 // Hack to get dragOffset from QTabBar internals
 int TabBarHelper::dragOffset(QStyleOptionTab *option, int tabIndex) const
 {
-    QStyle::SubElement element = QStyle::SE_TabBarTabLeftButton;
+    QRect rect;
     QWidget *button = tabButton(tabIndex, QTabBar::LeftSide);
-    if (!button) {
-        element = QStyle::SE_TabBarTabRightButton;
-        button = tabButton(tabIndex, QTabBar::RightSide);
+    if (button) {
+        rect = style()->subElementRect(QStyle::SE_TabBarTabLeftButton, option, this);
     }
-    if (!button) {
+    if (!rect.isValid()) {
+        button = tabButton(tabIndex, QTabBar::RightSide);
+        rect = style()->subElementRect(QStyle::SE_TabBarTabRightButton, option, this);
+    }
+    if (!button || !rect.isValid()) {
         return 0;
     }
-    const QPoint p = style()->subElementRect(element, option, this).topLeft();
-    return button->pos().x() - p.x();
+    return button->pos().x() - rect.topLeft().x();
 }
 
 // Taken from qtabbar.cpp