diff --git a/isisd/isis_tlvs.c b/isisd/isis_tlvs.c
index 117c90a8af..6fddac58e8 100644
--- a/isisd/isis_tlvs.c
+++ b/isisd/isis_tlvs.c
@@ -2143,6 +2143,7 @@ static struct isis_item *copy_item_srv6_end_sid(struct isis_item *i)
 
 	rv->behavior = sid->behavior;
 	rv->sid = sid->sid;
+	rv->subsubtlvs = isis_copy_subsubtlvs(sid->subsubtlvs);
 
 	return (struct isis_item *)rv;
 }