--- ImageMagick-5.5.6/coders/tiff.c.tiffoob	2005-03-16 08:33:30.423683000 -0500
+++ ImageMagick-5.5.6/coders/tiff.c	2005-03-16 08:36:58.057840000 -0500
@@ -1070,7 +1070,7 @@
         /*
           Convert image to DirectClass pixel packets.
         */
-        p=pixels+number_pixels+image->columns*sizeof(uint32)-1;
+        p=pixels+number_pixels-1;
         for (y=0; y < (long) image->rows; y++)
         {
           q=SetImagePixels(image,0,y,image->columns,1);