1 files changed, 3 insertions, 1 deletions
diff --git a/src/quick/items/qquickimagebase_p_p.h b/src/quick/items/qquickimagebase_p_p.h
index d9b609c7fe..1b771166a2 100644
--- a/src/quick/items/qquickimagebase_p_p.h
+++ b/src/quick/items/qquickimagebase_p_p.h
@@ -59,7 +59,7 @@
 QT_BEGIN_NAMESPACE
 
 class QNetworkReply;
-class QQuickImageBasePrivate : public QQuickImplicitSizeItemPrivate
+class Q_QUICK_PRIVATE_EXPORT QQuickImageBasePrivate : public QQuickImplicitSizeItemPrivate
 {
     Q_DECLARE_PUBLIC(QQuickImageBase)
 
@@ -75,6 +75,8 @@ public:
     {
     }
 
+    virtual bool updateDevicePixelRatio(qreal targetDevicePixelRatio);
+
     QQuickPixmap pix;
     QQuickImageBase::Status status;
     QUrl url;