diff --git a/legacy/eobj/lib/eo_base_class.c b/legacy/eobj/lib/eo_base_class.c
index c3504308f3..c0e24d62ee 100644
--- a/legacy/eobj/lib/eo_base_class.c
+++ b/legacy/eobj/lib/eo_base_class.c
@@ -493,6 +493,8 @@ static const Eo_Op_Description op_desc[] = {
 };
 
 static const Eo_Event_Description *event_desc[] = {
+     EO_EV_CALLBACK_ADD,
+     EO_EV_CALLBACK_DEL,
      EO_EV_DEL,
      NULL
 };