3 files changed, 3 insertions, 3 deletions
diff --git a/src/mail/ngx_mail.c b/src/mail/ngx_mail.c
index e5a77b05b..9e560bb7c 100644
--- a/src/mail/ngx_mail.c
+++ b/src/mail/ngx_mail.c
@@ -341,7 +341,7 @@ ngx_mail_optimize_servers(ngx_conf_t *cf, ngx_array_t *ports)
             ls->keepcnt = addr[i].opt.tcp_keepcnt;
 #endif
 
-#if (NGX_HAVE_INET6 && defined IPV6_V6ONLY)
+#if (NGX_HAVE_INET6)
             ls->ipv6only = addr[i].opt.ipv6only;
 #endif
 
diff --git a/src/mail/ngx_mail.h b/src/mail/ngx_mail.h
index 1068bb368..7c8422894 100644
--- a/src/mail/ngx_mail.h
+++ b/src/mail/ngx_mail.h
@@ -38,7 +38,7 @@ typedef struct {
 #if (NGX_MAIL_SSL)
     unsigned                ssl:1;
 #endif
-#if (NGX_HAVE_INET6 && defined IPV6_V6ONLY)
+#if (NGX_HAVE_INET6)
     unsigned                ipv6only:1;
 #endif
     unsigned                so_keepalive:2;
diff --git a/src/mail/ngx_mail_core_module.c b/src/mail/ngx_mail_core_module.c
index 48eacfa28..b974d905c 100644
--- a/src/mail/ngx_mail_core_module.c
+++ b/src/mail/ngx_mail_core_module.c
@@ -353,7 +353,7 @@ ngx_mail_core_listen(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
     ls->wildcard = u.wildcard;
     ls->ctx = cf->ctx;
 
-#if (NGX_HAVE_INET6 && defined IPV6_V6ONLY)
+#if (NGX_HAVE_INET6)
     ls->ipv6only = 1;
 #endif