From 54498123bbe8f6e10fabf3855bd9bc0dcb817f82 Mon Sep 17 00:00:00 2001
From: Cristy <urban-warrior@imagemagick.org>
Date: Wed, 16 May 2018 14:27:08 -0400
Subject: [PATCH] https://github.com/ImageMagick/ImageMagick/issues/1131

---
 coders/heic.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/coders/heic.c b/coders/heic.c
index 493d99fd9..f9ed658d6 100644
--- a/coders/heic.c
+++ b/coders/heic.c
@@ -375,6 +375,7 @@ ModuleExport size_t RegisterHEICImage(void)
   entry->mime_type=ConstantString("image/x-heic");
   entry->flags|=CoderDecoderSeekableStreamFlag;
   entry->flags^=CoderAdjoinFlag;
+  entry->flags^=CoderDecoderThreadSupportFlag;
   (void) RegisterMagickInfo(entry);
   return(MagickImageCoderSignature);
 }
-- 
2.40.0