diff --git a/net/sock.c b/net/sock.c
index ab5dbec..6b8feee 100644
--- a/net/sock.c
+++ b/net/sock.c
@@ -665,7 +665,7 @@ int sock_accept(sock_t serversock, char *ip, int len)
 	ret = accept(serversock, (struct sockaddr *)&sin, &slen);
 
 	if (ret >= 0 && ip != NULL) {
-        // inet_ntoa is not reentrant, we should protect this
+        /* inet_ntoa is not reentrant, we should protect this */
 		strncpy(ip, inet_ntoa(sin.sin_addr), len);
 		sock_set_nolinger(ret);
 		sock_set_keepalive(ret);
diff --git a/net/sock.h b/net/sock.h
index 42cf278..fa0d261 100644
--- a/net/sock.h
+++ b/net/sock.h
@@ -42,6 +42,10 @@ struct iovec
 #endif
 #endif
 
+#ifdef HAVE_INET_PTON
+#define inet_aton(a,b) inet_pton(AF_INET, (a), (b))
+#endif
+
 typedef int sock_t;
 
 /* The following values are based on unix avoiding errno value clashes */