diff --git a/src/vnet/ip/ip_api.c b/src/vnet/ip/ip_api.c
index fd4c1521a22..4055dead4ba 100644
--- a/src/vnet/ip/ip_api.c
+++ b/src/vnet/ip/ip_api.c
@@ -1050,6 +1050,8 @@ vl_api_ip_dump_t_handler (vl_api_ip_dump_t * mp)
 	send_ip_details (am, reg, sw_if_index, mp->is_ipv6, mp->context);
       }
   }
+
+  vec_free (sorted_sis);
 }
 
 static void