diff --git a/src/mail/ngx_mail_auth_http_module.c b/src/mail/ngx_mail_auth_http_module.c
index c7e0fc0..2cb0841 100644
--- a/src/mail/ngx_mail_auth_http_module.c
+++ b/src/mail/ngx_mail_auth_http_module.c
@@ -1388,6 +1388,8 @@
             ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
                                "%s in auth_http \"%V\"", u.err, &u.url);
         }
+
+        return NGX_CONF_ERROR;
     }
 
     ahcf->peer = u.addrs;