diff --git a/src/mail/ngx_mail.c b/src/mail/ngx_mail.c
index b097778db..3812e1517 100644
--- a/src/mail/ngx_mail.c
+++ b/src/mail/ngx_mail.c
@@ -263,6 +263,12 @@ ngx_mail_add_ports(ngx_conf_t *cf, ngx_array_t *ports,
         break;
 #endif
 
+#if (NGX_HAVE_UNIX_DOMAIN)
+    case AF_UNIX:
+        p = 0;
+        break;
+#endif
+
     default: /* AF_INET */
         sin = (struct sockaddr_in *) sa;
         p = sin->sin_port;
diff --git a/src/mail/ngx_mail_core_module.c b/src/mail/ngx_mail_core_module.c
index ecb722994..86d0b3bee 100644
--- a/src/mail/ngx_mail_core_module.c
+++ b/src/mail/ngx_mail_core_module.c
@@ -340,6 +340,14 @@ ngx_mail_core_listen(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
             break;
 #endif
 
+#if (NGX_HAVE_UNIX_DOMAIN)
+        case AF_UNIX:
+            off = offsetof(struct sockaddr_un, sun_path);
+            len = sizeof(((struct sockaddr_un *) sa)->sun_path);
+            port = 0;
+            break;
+#endif
+
         default: /* AF_INET */
             off = offsetof(struct sockaddr_in, sin_addr);
             len = 4;