From e299a6f7b5cb604cfba5b744d97be7def655eca5 Mon Sep 17 00:00:00 2001
From: Cristy <urban-warrior@imagemagick.org>
Date: Fri, 20 Jan 2017 08:00:35 -0500
Subject: [PATCH] 
 https://www.imagemagick.org/discourse-server/viewtopic.php?f=3&t=31262

---
 MagickCore/image.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/MagickCore/image.c b/MagickCore/image.c
index 6cf47ce13..1b1bdc15b 100644
--- a/MagickCore/image.c
+++ b/MagickCore/image.c
@@ -3678,6 +3678,8 @@ MagickExport MagickBooleanType SyncImage(Image *image,ExceptionInfo *exception)
   if (image->debug != MagickFalse)
     (void) LogMagickEvent(TraceEvent,GetMagickModule(),"...");
   assert(image->signature == MagickCoreSignature);
+  if (image->ping != MagickFalse)
+    return(MagickTrue);
   if (image->storage_class != PseudoClass)
     return(MagickFalse);
   assert(image->colormap != (PixelInfo *) NULL);
-- 
2.40.0