diff --git a/plugins/quickinspector/quickscreengrabber.cpp b/plugins/quickinspector/quickscreengrabber.cpp
index 7c80224cb..3e9ad6024 100644
--- a/plugins/quickinspector/quickscreengrabber.cpp
+++ b/plugins/quickinspector/quickscreengrabber.cpp
@@ -821,7 +821,14 @@ UnsupportedScreenGrabber::~UnsupportedScreenGrabber()
 
 void UnsupportedScreenGrabber::requestGrabWindow(const QRectF & /*userViewport*/)
 {
+    const qreal ratio = m_window->effectiveDevicePixelRatio();
+    const int width = m_window->width(),
+              height = m_window->height();
     m_grabbedFrame.image = m_window->grabWindow();
+    if (ratio == 1.0)
+        m_grabbedFrame.image = m_grabbedFrame.image.copy(0, 0, width, height);
+    else
+        m_grabbedFrame.image = m_grabbedFrame.image.copy(0, 0, width, height).scaledToHeight(height * ratio);
 
     int alpha = 120;
     if (m_grabbedFrame.image.isNull()) {
@@ -830,8 +837,6 @@ void UnsupportedScreenGrabber::requestGrabWindow(const QRectF & /*userViewport*/
         alpha = 200;
     }
 
-    m_grabbedFrame.image.setDevicePixelRatio(m_window->effectiveDevicePixelRatio());
-
     QPainter p(&m_grabbedFrame.image);
     p.setRenderHint(QPainter::TextAntialiasing);
     QColor gray(Qt::black);