diff --git a/bgpd/bgp_updgrp_adv.c b/bgpd/bgp_updgrp_adv.c
index 2b1f186790..3b7ee8b0b6 100644
--- a/bgpd/bgp_updgrp_adv.c
+++ b/bgpd/bgp_updgrp_adv.c
@@ -935,6 +935,8 @@ void subgroup_default_originate(struct update_subgroup *subgrp, int withdraw)
 			subgroup_default_update_packet(subgrp, new_attr, from);
 		}
 	}
+
+	aspath_unintern(&attr.aspath);
 }
 
 /*