From: Cristy <urban-warrior@imagemagick.org>
Date: Sat, 13 Oct 2018 16:29:32 +0000 (-0400)
Subject: https://github.com/ImageMagick/ImageMagick/issues/1343
X-Git-Tag: 7.0.8-13~16
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=0033b0e643e44ef020058f6e2bcf3272c13cde27;p=imagemagick

https://github.com/ImageMagick/ImageMagick/issues/1343
---

diff --git a/coders/png.c b/coders/png.c
index 6ff2ece78..b1cf32259 100644
--- a/coders/png.c
+++ b/coders/png.c
@@ -8923,7 +8923,8 @@ static MagickBooleanType WriteOnePNGImage(MngInfo *mng_info,
   tried_333 = MagickFalse;
   tried_444 = MagickFalse;
 
-  image->depth=GetImageDepth(image,exception);
+  if (image->depth != GetImageDepth(image,exception))
+    (void) SetImageDepth(image,image->depth,exception);
   for (j=0; j<6; j++)
   {
     /*