From e908737b663ec935a4a2c45c5723d80fbb70e5b3 Mon Sep 17 00:00:00 2001
From: cristy <urban-warrior@git.imagemagick.org>
Date: Wed, 6 Nov 2013 00:21:18 +0000
Subject: [PATCH]

---
 MagickCore/quantize.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/MagickCore/quantize.c b/MagickCore/quantize.c
index ea7011024..5b8d587d0 100644
--- a/MagickCore/quantize.c
+++ b/MagickCore/quantize.c
@@ -3128,7 +3128,7 @@ static void ReduceImageColors(const Image *image,CubeInfo *cube_info)
     span;
 
   cube_info->next_threshold=0.0;
-  if (cube_info->colors > cube_info->maximum_colors)
+  if ((cube_info->colors > cube_info->maximum_colors) && (cube_info->depth > 2))
     {
       MagickRealType
         *quantize_error;
-- 
2.50.1