diff --git a/unbound-1.8.3-dns64-again.patch b/unbound-1.8.3-dns64-again.patch
new file mode 100644
index 0000000..1e66773
--- /dev/null
+++ b/unbound-1.8.3-dns64-again.patch
@@ -0,0 +1,11 @@
+diff -Naur dns64/dns64.c dns64/dns64.c
+--- dns64/dns64.c	2018-12-11 04:46:02.000000000 -0500
++++ dns64/dns64.c	2018-12-12 12:39:30.589057421 -0500
+@@ -628,6 +628,7 @@
+ 
+ 	/* Store the response in cache. */
+ 	if ( (!iq || !iq->started_no_cache_store) &&
++		qstate->return_msg && qstate->return_msg->rep &&
+ 		!dns_cache_store(qstate->env, &qstate->qinfo, qstate->return_msg->rep,
+ 		0, 0, 0, NULL, qstate->query_flags))
+ 		log_err("out of memory");
diff --git a/unbound.spec b/unbound.spec
index 14dfce2..a6776e6 100644
--- a/unbound.spec
+++ b/unbound.spec
@@ -34,7 +34,7 @@
 Summary: Validating, recursive, and caching DNS(SEC) resolver
 Name: unbound
 Version: 1.8.3
-Release: 1%{?extra_version:.%{extra_version}}%{?dist}
+Release: 2%{?extra_version:.%{extra_version}}%{?dist}
 License: BSD
 Url: https://www.unbound.net/
 Source: https://www.unbound.net/downloads/%{name}-%{version}%{?extra_version}.tar.gz
@@ -55,6 +55,8 @@ Source15: unbound-anchor.timer
 Source16: unbound-munin.README
 Source17: unbound-anchor.service
 
+Patch1: unbound-1.8.3-dns64-again.patch
+
 BuildRequires: gcc, make
 BuildRequires: flex, openssl-devel
 BuildRequires: libevent-devel expat-devel
@@ -149,6 +151,7 @@ Python 3 modules and extensions for unbound
 %setup -qcn %{pkgname}
 
 pushd %{pkgname}
+%patch1
 
 # only for snapshots
 # autoreconf -iv
@@ -420,6 +423,9 @@ popd
 %attr(0644,root,root) %config %{_sysconfdir}/%{name}/root.key
 
 %changelog
+* Wed Dec 12 2018 Paul Wouters <pwouters@redhat.com> - 1.8.3-2
+- Another dns64 fixup
+
 * Wed Dec 12 2018 Paul Wouters <pwouters@redhat.com> - 1.8.3-1
 - Updated to 1.8.3 with fixes the dns64 bug and has some other minor fixes