diff --git a/src/core/dns.c b/src/core/dns.c index 29b3b1733..c79404515 100644 --- a/src/core/dns.c +++ b/src/core/dns.c @@ -325,7 +325,7 @@ dns_init(void) /* initialize fallback dns DNS server address */ ip_addr_t dnsserver; FALLBACK_DNS_SERVER_ADDRESS(&dnsserver); -#if LWIP_IPV4 && LWIP_IPV6 +#if LWIP_IPV4 && LWIP_IPV6 && ESP_LWIP_FALLBACK_DNS_PREFER_IPV4 dnsserver.type = IPADDR_TYPE_V4; #endif dns_setserver(DNS_FALLBACK_SERVER_INDEX, &dnsserver);