diff --git a/doc/Changelog b/doc/Changelog
index abb60af22..7b80f2c0e 100644
--- a/doc/Changelog
+++ b/doc/Changelog
@@ -1,3 +1,7 @@
+15 November 2024: Wouter
+	- Fix #1183: the data being used is released in method
+	  nsec3_hash_test_entry.
+
 8 November 2024: Yorgos
 	- More descriptive text for 'harden-algo-downgrade'.
 	- Complete fix for max-global-quota to 200.
diff --git a/testcode/unitverify.c b/testcode/unitverify.c
index 275435c73..806e4a6ff 100644
--- a/testcode/unitverify.c
+++ b/testcode/unitverify.c
@@ -458,6 +458,7 @@ nsec3_hash_test_entry(struct entry* e, rbtree_type* ct,
 
 	reply_info_parsedelete(rep, alloc);
 	query_info_clear(&qinfo);
+	rbtree_init(ct, &nsec3_hash_cmp); /* remove refs freed by parsedelete */
 }