diff --git a/doc/ChangeLog b/doc/ChangeLog
index 10898b8a0..a181e6c30 100644
--- a/doc/ChangeLog
+++ b/doc/ChangeLog
@@ -1,3 +1,7 @@
+12 November 2025: Willem
+	- Merge #466: Do not delete nodes from non-existent zone's NSEC3 hash
+	  trees
+
 6 November 2025: Wouter
 	- Update acx_nlnetlabs.m4 to version 51, with nonstring unknown
 	  attribute warning fix.
diff --git a/doc/RELNOTES b/doc/RELNOTES
index af1cea145..c9890c22e 100644
--- a/doc/RELNOTES
+++ b/doc/RELNOTES
@@ -23,6 +23,8 @@ BUG FIXES:
 	  malloc function check.
 	- Update acx_nlnetlabs.m4 to version 51, with nonstring unknown
 	  attribute warning fix.
+	- Merge #466: Do not delete nodes from non-existent zone's NSEC3 hash   
+	  trees 
 
 4.13.0
 ================
diff --git a/namedb.c b/namedb.c
index 53d2bec98..ae720eedb 100644
--- a/namedb.c
+++ b/namedb.c
@@ -160,7 +160,7 @@ int domain_is_prehash(domain_table_type* table, domain_type* domain)
 void
 zone_del_domain_in_hash_tree(rbtree_type* tree, rbnode_type* node)
 {
-	if(!node->key)
+	if(!node->key || !tree)
 		return;
 	rbtree_delete(tree, node->key);
 	/* note that domain is no longer in the tree */
diff --git a/simdzone b/simdzone
index c0243ac47..ef23e3ff7 160000
--- a/simdzone
+++ b/simdzone
@@ -1 +1 @@
-Subproject commit c0243ac47424825d50c6d1d9992436bcf6d8b306
+Subproject commit ef23e3ff71ed74c21cc25c0e12594cecf674d354