diff --git a/include/nuttx/net/netconfig.h b/include/nuttx/net/netconfig.h
index 71e7430567..adeb7ed823 100644
--- a/include/nuttx/net/netconfig.h
+++ b/include/nuttx/net/netconfig.h
@@ -210,7 +210,7 @@
  * This should normally not be changed.
  */
 
-#define IP_TTL 64
+#define IP_TTL_DEFAULT 64
 
 /* Network drivers often receive packets with garbage at the end
  * and are longer than the size of packet in the TCP header.  The
diff --git a/net/icmp/icmp_sendmsg.c b/net/icmp/icmp_sendmsg.c
index bc874c9d43..a4a8f83486 100644
--- a/net/icmp/icmp_sendmsg.c
+++ b/net/icmp/icmp_sendmsg.c
@@ -133,7 +133,7 @@ static void sendto_request(FAR struct net_driver_s *dev,
   ipv4->ipid[1]     = g_ipid & 0xff;
   ipv4->ipoffset[0] = IP_FLAG_DONTFRAG >> 8;
   ipv4->ipoffset[1] = IP_FLAG_DONTFRAG & 0xff;
-  ipv4->ttl         = IP_TTL;
+  ipv4->ttl         = IP_TTL_DEFAULT;
   ipv4->proto       = IP_PROTO_ICMP;
 
   net_ipv4addr_hdrcopy(ipv4->srcipaddr, &dev->d_ipaddr);
diff --git a/net/sixlowpan/sixlowpan_tcpsend.c b/net/sixlowpan/sixlowpan_tcpsend.c
index cf7c92d0d8..f359bc8d6b 100644
--- a/net/sixlowpan/sixlowpan_tcpsend.c
+++ b/net/sixlowpan/sixlowpan_tcpsend.c
@@ -194,7 +194,7 @@ static int sixlowpan_tcp_header(FAR struct tcp_conn_s *conn,
   ipv6tcp->ipv6.tcf    = 0x00;
   ipv6tcp->ipv6.flow   = 0x00;
   ipv6tcp->ipv6.proto  = IP_PROTO_TCP;
-  ipv6tcp->ipv6.ttl    = IP_TTL;
+  ipv6tcp->ipv6.ttl    = IP_TTL_DEFAULT;
 
   /* The IPv6 header length field does not include the size of IPv6 IP
    * header.
diff --git a/net/tcp/tcp_send.c b/net/tcp/tcp_send.c
index 0f4ab400ca..fd7eca15c0 100644
--- a/net/tcp/tcp_send.c
+++ b/net/tcp/tcp_send.c
@@ -139,7 +139,7 @@ static inline void tcp_ipv4_sendcomplete(FAR struct net_driver_s *dev,
    */
 
   ipv4->proto       = IP_PROTO_TCP;
-  ipv4->ttl         = IP_TTL;
+  ipv4->ttl         = IP_TTL_DEFAULT;
   ipv4->vhl         = 0x45;
 
   /* At this point the TCP header holds the size of the payload, the
@@ -210,7 +210,7 @@ static inline void tcp_ipv6_sendcomplete(FAR struct net_driver_s *dev,
    */
 
   ipv6->proto     = IP_PROTO_TCP;
-  ipv6->ttl       = IP_TTL;
+  ipv6->ttl       = IP_TTL_DEFAULT;
 
   /* At this point the TCP header holds the size of the payload, the
    * TCP header, and the IP header.  For IPv6, the IP length field does
diff --git a/net/udp/udp_conn.c b/net/udp/udp_conn.c
index c2af6d9778..1aba26c88a 100644
--- a/net/udp/udp_conn.c
+++ b/net/udp/udp_conn.c
@@ -584,7 +584,7 @@ FAR struct udp_conn_s *udp_alloc(uint8_t domain)
       conn->boundto = 0;  /* Not bound to any interface */
 #endif
       conn->lport   = 0;
-      conn->ttl     = IP_TTL;
+      conn->ttl     = IP_TTL_DEFAULT;
 #if CONFIG_NET_RECV_BUFSIZE > 0
       conn->rcvbufs = CONFIG_NET_RECV_BUFSIZE;
 #endif