diff --git a/src/Symfony/Bundle/FrameworkBundle/DependencyInjection/Configuration.php b/src/Symfony/Bundle/FrameworkBundle/DependencyInjection/Configuration.php
index 4bf4c14dbc885..c902cf9da0e18 100644
--- a/src/Symfony/Bundle/FrameworkBundle/DependencyInjection/Configuration.php
+++ b/src/Symfony/Bundle/FrameworkBundle/DependencyInjection/Configuration.php
@@ -1225,8 +1225,8 @@ private function addExceptionsSection(ArrayNodeDefinition $rootNode)
                             ->scalarNode('status_code')
                                 ->info('The status code of the response. Null to let Symfony decide.')
                                 ->validate()
-                                    ->ifTrue(function ($v) { return !\in_array($v, range(100, 499)); })
-                                    ->thenInvalid('The log level is not valid. Pick one among between 100 et 599.')
+                                    ->ifTrue(function ($v) { return $v < 100 || $v > 599; })
+                                    ->thenInvalid('The log level is not valid. Pick a value between 100 and 599.')
                                 ->end()
                                 ->defaultNull()
                             ->end()