https://imagemagick.org/discourse-server/viewtopic.php?f=3&t=35789

diff --git a/MagickCore/cache.c b/MagickCore/cache.c
index f27c53fe57968057adfa546130d4123fa946f976..a7c3026fce24e545b9fee3f740c9fd714c258283 100644 (file)
--- a/MagickCore/cache.c
+++ b/MagickCore/cache.c
@@ -275,6 +275,7 @@ MagickPrivate NexusInfo **AcquirePixelCacheNexus(const size_t number_threads)
   for (i=0; i < (ssize_t) (2*number_threads); i++)
   {
     nexus_info[i]=(*nexus_info+i);
+    nexus_info[i]->pixel_nexus=(*nexus_info+i);
     if (i < (ssize_t) number_threads)
       nexus_info[i]->pixel_nexus=(*nexus_info+number_threads+i);
     nexus_info[i]->signature=MagickCoreSignature;