diff --git a/tools/gtp-tunnel.c b/tools/gtp-tunnel.c
index 1fcdee7..1b8a7a0 100644
--- a/tools/gtp-tunnel.c
+++ b/tools/gtp-tunnel.c
@@ -131,8 +131,8 @@
 	struct gtp_tunnel *t;
 	uint32_t gtp_ifidx;
 
-	if (argc != 5) {
-		printf("%s del <gtp device> <version> <tid>\n",
+	if (argc != 6) {
+		printf("%s del <gtp device> <version> <tid> <family>\n",
 			argv[0]);
 		return EXIT_FAILURE;
 	}
@@ -160,6 +160,16 @@
 		return EXIT_FAILURE;
 	}
 
+	if (strcmp(argv[5], "ip") == 0) {
+		gtp_tunnel_set_family(t, AF_INET);
+	} else if (strcmp(argv[5], "ip6") == 0) {
+		gtp_tunnel_set_family(t, AF_INET6);
+	} else {
+		fprintf(stderr, "wrong family %s, use ip or ip6\n", argv[5]);
+		gtp_tunnel_free(t);
+		return EXIT_FAILURE;
+	}
+
 	gtp_del_tunnel(genl_id, nl, t);
 
 	gtp_tunnel_free(t);