...

diff --git a/coders/heic.c b/coders/heic.c
index 6076534c331587d2710d31f40a1a75c075f2a41c..cb11db7f9827efa7fa1f000d1a2732f77f0b979d 100644 (file)
--- a/coders/heic.c
+++ b/coders/heic.c
@@ -646,7 +646,7 @@ static MagickBooleanType WriteHEICImage(const ImageInfo *image_info,Image *image
                 p));
               p+=GetPixelChannels(image);
 
-              if (x+1 < image->columns)
+              if (x+1 < (lont) image->columns)
                 {
                   p_y[y*stride_y + x+1]=ScaleQuantumToChar(GetPixelRed(image,
                     p));