diff --git a/i.php b/i.php
index 6be12888b..8b3e89bcd 100644
--- a/i.php
+++ b/i.php
@@ -88,7 +88,7 @@ function ierror($msg, $code)
     }
     // default url is on html format
     $url = html_entity_decode($msg);
-    $logger->warning($code . ' ' . $url, 'i.php', array(
+    $logger->debug($code . ' ' . $url, 'i.php', array(
       'url' => $_SERVER['REQUEST_URI'],
       ));
     header('Request-URI: '.$url);
diff --git a/include/config_default.inc.php b/include/config_default.inc.php
index 91d620edb..87baa29ab 100644
--- a/include/config_default.inc.php
+++ b/include/config_default.inc.php
@@ -828,7 +828,7 @@ $conf['log_dir'] = '/logs';
 
 // Log level (OFF, CRITICAL, ERROR, WARNING, NOTICE, INFO, DEBUG)
 // development = DEBUG, production = ERROR
-$conf['log_level'] = 'DEBUG';
+$conf['log_level'] = 'ERROR';
 
 // Keep logs file during X days
 $conf['log_archive_days'] = 30;