diff --git a/src/gui/image/qnativeimage.cpp b/src/gui/image/qnativeimage.cpp
index 2b03f17363..2e4e81420b 100644
--- a/src/gui/image/qnativeimage.cpp
+++ b/src/gui/image/qnativeimage.cpp
@@ -288,7 +288,7 @@ QImage::Format QNativeImage::systemFormat()
 
 #else // other platforms...
 
-QNativeImage::QNativeImage(int width, int height, QImage::Format format,  bool /* isTextBuffer */, QWidget *)
+QNativeImage::QNativeImage(int width, int height, QImage::Format format,  bool /* isTextBuffer */, QWindow *)
     : image(width, height, format)
 {
 
diff --git a/src/gui/image/qnativeimage_p.h b/src/gui/image/qnativeimage_p.h
index 12aa0f021a..a0f486a7d6 100644
--- a/src/gui/image/qnativeimage_p.h
+++ b/src/gui/image/qnativeimage_p.h
@@ -68,12 +68,12 @@
 
 QT_BEGIN_NAMESPACE
 
-class QWidget;
+class QWindow;
 
 class QNativeImage
 {
 public:
-    QNativeImage(int width, int height, QImage::Format format, bool isTextBuffer = false, QWidget *widget = 0);
+    QNativeImage(int width, int height, QImage::Format format, bool isTextBuffer = false, QWindow *widget = 0);
     ~QNativeImage();
 
     inline int width() const;