From 2db8cac86a4dabe70a0f737bf2be30614f0e0502 Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Mon, 9 May 2016 22:28:44 +0530
Subject: [PATCH] ...

---
 src/calibre/utils/imageops/imageops.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/calibre/utils/imageops/imageops.cpp b/src/calibre/utils/imageops/imageops.cpp
index 42f2977309..be01f84b03 100644
--- a/src/calibre/utils/imageops/imageops.cpp
+++ b/src/calibre/utils/imageops/imageops.cpp
@@ -629,7 +629,7 @@ void overlay(const QImage &image, QImage &canvas, unsigned int left, unsigned in
         for (r = 0; r < height; r++) {
             src = reinterpret_cast<const QRgb*>(img.constScanLine(r));
             dest = reinterpret_cast<QRgb*>(canvas.scanLine(r + top));
-            memcpy(dest + left, src, (right - left) * sizeof(QRgb));
+            memcpy(dest + left, src, width * sizeof(QRgb));
         }
     }