commit 1a6e41ac9d90a1a9b6e6dee9a0038a6c0e1e5e18
author cristy <urban-warrior@git.imagemagick.org> Mon Nov 08 17:09:54 2010 +0000
committer cristy <urban-warrior@git.imagemagick.org> Mon Nov 08 17:09:54 2010 +0000
tree f60eba8995281f07f0481db5fc226fe44f9f1005
parent f3a6a9da1d8bb3744f9cfbdaa4738815e48aa517

coders/tiff.c

diff --git a/coders/tiff.c b/coders/tiff.c
index f51d93e..24eb3b7 100644
--- a/coders/tiff.c
+++ b/coders/tiff.c
@@ -2666,7 +2666,7 @@
                   MagickFalse ? PHOTOMETRIC_MINISWHITE :
                   PHOTOMETRIC_MINISBLACK);
                 (void) TIFFSetField(tiff,TIFFTAG_SAMPLESPERPIXEL,1);
-                if ((image_info->depth == 0) &&
+                if ((image_info->depth == 0) && (image->matte == MagickFalse))
                     (IsMonochromeImage(image,&image->exception) != MagickFalse))
                   {
                     status=SetQuantumDepth(image,quantum_info,1);