diff --git a/src/gui/image/qimage.cpp b/src/gui/image/qimage.cpp
index d681c28d8d8..b49b47989a7 100644
--- a/src/gui/image/qimage.cpp
+++ b/src/gui/image/qimage.cpp
@@ -3986,7 +3986,7 @@ bool QImage::operator==(const QImage & i) const
         return false;
 
     // obviously different stuff?
-    if (i.d->height != d->height || i.d->width != d->width || i.d->format != d->format)
+    if (i.d->height != d->height || i.d->width != d->width || i.d->format != d->format || i.d->colorSpace != d->colorSpace)
         return false;
 
     if (d->format != Format_RGB32) {