diff --git a/src/nxt_sockaddr.c b/src/nxt_sockaddr.c
index 730428e4..71e50e3c 100644
--- a/src/nxt_sockaddr.c
+++ b/src/nxt_sockaddr.c
@@ -1090,7 +1090,7 @@ nxt_job_sockaddr_inet_parse(nxt_job_sockaddr_parse_t *jbs)
         port = nxt_int_parse(host, length);
 
         if (port > 0) {
-            if (port < 1 || port > 65535) {
+            if (port > 65535) {
                 goto invalid_port;
             }