diff --git a/src/mod/endpoints/mod_dingaling/mod_dingaling.c b/src/mod/endpoints/mod_dingaling/mod_dingaling.c
index 03ffd0ced1..4acb07c5f3 100644
--- a/src/mod/endpoints/mod_dingaling/mod_dingaling.c
+++ b/src/mod/endpoints/mod_dingaling/mod_dingaling.c
@@ -1942,6 +1942,7 @@ SWITCH_MODULE_SHUTDOWN_FUNCTION(mod_dingaling_shutdown)
 	switch_event_unbind(&globals.probe_node);
 	switch_event_unbind(&globals.out_node);
 	switch_event_unbind(&globals.roster_node);
+	switch_event_unbind_callback(ipchanged_event_handler);
 
 
 	switch_core_hash_destroy(&globals.profile_hash);