diff --git a/src/gui/kernel/qtestsupport_gui.cpp b/src/gui/kernel/qtestsupport_gui.cpp
index 5867028b630..ca62798ddfd 100644
--- a/src/gui/kernel/qtestsupport_gui.cpp
+++ b/src/gui/kernel/qtestsupport_gui.cpp
@@ -426,7 +426,7 @@ QRect QtGuiTest::toNativePixels(const QRect &value, const QWindow *window)
    \internal
    \return scaling factor of \a window relative to Qt.
 */
-qreal QtGuiTest::factor(const QWindow *window)
+qreal QtGuiTest::scaleFactor(const QWindow *window)
 {
     Q_ASSERT_X(window,
                Q_FUNC_INFO,
diff --git a/src/gui/kernel/qtestsupport_gui.h b/src/gui/kernel/qtestsupport_gui.h
index 581e13713e8..0ae62cefacd 100644
--- a/src/gui/kernel/qtestsupport_gui.h
+++ b/src/gui/kernel/qtestsupport_gui.h
@@ -96,7 +96,7 @@ namespace QtGuiTest
 
     QPoint toNativePixels(const QPoint &value, const QWindow *window);
     QRect toNativePixels(const QRect &value, const QWindow *window);
-    qreal factor(const QWindow *window);
+    qreal scaleFactor(const QWindow *window);
 
     void setEventPointId(QEventPoint &p, int arg);
     void setEventPointPressure(QEventPoint &p, qreal arg);