diff --git a/doc/Changelog b/doc/Changelog
index 77699b52d..ab42d99f3 100644
--- a/doc/Changelog
+++ b/doc/Changelog
@@ -1,3 +1,6 @@
+5 October 2017: Wouter 
+	- Fix trust-anchor-signaling works in libunbound.
+
 5 October 2017: Ralph 
 	- Set trust-anchor-signaling default to yes
 
diff --git a/libunbound/libworker.c b/libunbound/libworker.c
index 8cf4fab29..4067ef4d2 100644
--- a/libunbound/libworker.c
+++ b/libunbound/libworker.c
@@ -251,6 +251,7 @@ libworker_setup(struct ub_ctx* ctx, int is_bg, struct ub_event_base* eb)
 	w->env->send_query = &libworker_send_query;
 	w->env->detach_subs = &mesh_detach_subs;
 	w->env->attach_sub = &mesh_attach_sub;
+	w->env->add_sub = &mesh_add_sub;
 	w->env->kill_sub = &mesh_state_delete;
 	w->env->detect_cycle = &mesh_detect_cycle;
 	comm_base_timept(w->base, &w->env->now, &w->env->now_tv);