https://github.com/ImageMagick/ImageMagick/issues/741

diff --git a/MagickCore/cache.c b/MagickCore/cache.c
index 0278817410915f1015dbb9971068b968cc541c72..dc7187bf0250d5d776e947e9ea0537157788d53f 100644 (file)
--- a/MagickCore/cache.c
+++ b/MagickCore/cache.c
@@ -3852,6 +3852,8 @@ MagickExport MagickBooleanType PersistPixelCache(Image *image,
         MagickPathExtent);
       cache_info->type=DiskCache;
       cache_info->offset=(*offset);
+      cache_info->nexus_info=DestroyPixelCacheNexus(cache_info->nexus_info,
+        cache_info->number_threads);
       if (OpenPixelCache(image,ReadMode,exception) == MagickFalse)
         return(MagickFalse);
       *offset+=cache_info->length+page_size-(cache_info->length % page_size);