Index: src/main.c
--- src/main.c.orig
+++ src/main.c
@@ -1892,9 +1892,9 @@ static void setup_configurators(void)
 {
     h2o_config_init(&conf.globalconf);
 
-    /* let the default setuid user be "nobody", if run as root */
-    if (getuid() == 0 && getpwnam("nobody") != NULL)
-        conf.globalconf.user = "nobody";
+    /* let the default setuid user be "www", if run as root */
+    if (getuid() == 0 && getpwnam("www") != NULL)
+        conf.globalconf.user = "www";
 
     {
         h2o_configurator_t *c = h2o_configurator_create(&conf.globalconf, sizeof(*c));
@@ -2163,7 +2163,7 @@ int main(int argc, char **argv)
         }
     } else {
         if (getuid() == 0) {
-            fprintf(stderr, "refusing to run as root (and failed to switch to `nobody`); you can use the `user` directive to set "
+            fprintf(stderr, "refusing to run as root (and failed to switch to `www`); you can use the `user` directive to set "
                             "the running user\n");
             return EX_CONFIG;
         }