diff --git a/net/ping.c b/net/ping.c
index 0f9868e..440e229 100644
--- a/net/ping.c
+++ b/net/ping.c
@@ -57,9 +57,15 @@
 	int ret;
 	uint64_t ping_start = 0;
 
-	if (argc < 2 || string_to_ip(argv[1], &net_ping_ip))
+	if (argc < 2)
 		return COMMAND_ERROR_USAGE;
 
+	net_ping_ip = resolv(argv[1]);
+	if (!net_ping_ip) {
+		printf("unknown host %s\n", argv[1]);
+		return 1;
+	}
+
 	ping_con = net_icmp_new(net_ping_ip, ping_handler);
 	if (IS_ERR(ping_con)) {
 		ret = PTR_ERR(ping_con);