3 files changed, 4 insertions, 4 deletions
diff --git a/src/gui/image/qimage.h b/src/gui/image/qimage.h
index 7ad44cc33e..eccff480bb 100644
--- a/src/gui/image/qimage.h
+++ b/src/gui/image/qimage.h
@@ -471,7 +471,7 @@ inline void QImage::setNumColors(int n)
 
 inline int QImage::numBytes() const
 {
-    return byteCount();
+    return int(sizeInBytes());
 }
 #endif
 
diff --git a/src/gui/image/qimage_darwin.mm b/src/gui/image/qimage_darwin.mm
index 3764bef06b..a5c391ad21 100644
--- a/src/gui/image/qimage_darwin.mm
+++ b/src/gui/image/qimage_darwin.mm
@@ -130,7 +130,7 @@ CGImageRef QImage::toCGImage() const
     auto deleter = [](void *image, const void *, size_t)
                    { delete static_cast<QImage *>(image); };
     QCFType<CGDataProviderRef> dataProvider =
-        CGDataProviderCreateWithData(new QImage(*this), bits(), byteCount(), deleter);
+        CGDataProviderCreateWithData(new QImage(*this), bits(), sizeInBytes(), deleter);
 
     QCFType<CGColorSpaceRef> colorSpace =  CGColorSpaceCreateWithName(kCGColorSpaceSRGB);
 
diff --git a/src/plugins/platforms/xcb/nativepainting/qpixmap_x11.cpp b/src/plugins/platforms/xcb/nativepainting/qpixmap_x11.cpp
index 08752da648..e59ad57c27 100644
--- a/src/plugins/platforms/xcb/nativepainting/qpixmap_x11.cpp
+++ b/src/plugins/platforms/xcb/nativepainting/qpixmap_x11.cpp
@@ -539,7 +539,7 @@ void QX11PlatformPixmap::fromImage(const QImage &img, Qt::ImageConversionFlags f
     Visual *visual = (Visual *)xinfo.visual();
     XImage *xi = 0;
     bool    trucol = (visual->c_class >= TrueColor);
-    int     nbytes = image.byteCount();
+    size_t  nbytes = image.sizeInBytes();
     uchar  *newbits= 0;
 
 #if QT_CONFIG(xrender)
@@ -1125,7 +1125,7 @@ void QX11PlatformPixmap::fromImage(const QImage &img, Qt::ImageConversionFlags f
         }
 
         p = newbits;
-        for (int i = 0; i < nbytes; i++) {                // translate pixels
+        for (size_t i = 0; i < nbytes; i++) {                // translate pixels
             *p = pix[*p];
             p++;
         }