diff --git a/net/lwip/dns.c b/net/lwip/dns.c
index 2b2a5947a2b..2222e2b0b04 100644
--- a/net/lwip/dns.c
+++ b/net/lwip/dns.c
@@ -14,7 +14,6 @@
 
 struct dns_cb_arg {
 	ip_addr_t host_ipaddr;
-	const char *var;
 	bool done;
 };
 
@@ -26,7 +25,6 @@ static void do_dns_tmr(void *arg)
 static void dns_cb(const char *name, const ip_addr_t *ipaddr, void *arg)
 {
 	struct dns_cb_arg *dns_cb_arg = arg;
-	char *ipstr = ip4addr_ntoa(ipaddr);
 
 	dns_cb_arg->done = true;
 
@@ -37,21 +35,17 @@ static void dns_cb(const char *name, const ip_addr_t *ipaddr, void *arg)
 	}
 
 	dns_cb_arg->host_ipaddr.addr = ipaddr->addr;
-
-	if (dns_cb_arg->var)
-		env_set(dns_cb_arg->var, ipstr);
 }
 
 static int dns_loop(struct udevice *udev, const char *name, const char *var)
 {
 	struct dns_cb_arg dns_cb_arg = { };
 	struct netif *netif;
+	const char *ipstr;
 	ip_addr_t ipaddr;
 	ulong start;
 	int ret;
 
-	dns_cb_arg.var = var;
-
 	netif = net_lwip_new_netif(udev);
 	if (!netif)
 		return CMD_RET_FAILURE;
@@ -85,8 +79,11 @@ static int dns_loop(struct udevice *udev, const char *name, const char *var)
 	net_lwip_remove_netif(netif);
 
 	if (dns_cb_arg.done && dns_cb_arg.host_ipaddr.addr != 0) {
-		if (!var)
-			printf("%s\n", ipaddr_ntoa(&dns_cb_arg.host_ipaddr));
+		ipstr = ipaddr_ntoa(&dns_cb_arg.host_ipaddr);
+		if (var)
+			env_set(var, ipstr);
+		else
+			printf("%s\n", ipstr);
 		return CMD_RET_SUCCESS;
 	}