From aa2ff0ec874dee96312004edc5252432f85f59e6 Mon Sep 17 00:00:00 2001
From: cristy <urban-warrior@git.imagemagick.org>
Date: Mon, 22 Sep 2014 23:46:21 +0000
Subject: [PATCH]

---
 MagickCore/quantize.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/MagickCore/quantize.c b/MagickCore/quantize.c
index e004e1e7c..a2280eccb 100644
--- a/MagickCore/quantize.c
+++ b/MagickCore/quantize.c
@@ -3154,10 +3154,16 @@ static void ReduceImageColors(const Image *image,CubeInfo *cube_info)
   }
   for (span=cube_info->colors; cube_info->colors > cube_info->maximum_colors; )
   {
+    size_t
+      colors;
+
     cube_info->pruning_threshold=cube_info->next_threshold;
     cube_info->next_threshold=cube_info->root->quantize_error-1;
+    colors=cube_info->colors;
     cube_info->colors=0;
     Reduce(image,cube_info,cube_info->root);
+    if (cube_info->colors >= colors)
+      PruneLevel(image,cube_info,cube_info->root);
     offset=(MagickOffsetType) span-cube_info->colors;
     proceed=SetImageProgress(image,ReduceImageTag,offset,span-
       cube_info->maximum_colors+1);
-- 
2.40.0