diff --git a/src/Symfony/Bundle/FrameworkBundle/DependencyInjection/Configuration.php b/src/Symfony/Bundle/FrameworkBundle/DependencyInjection/Configuration.php
index 4eea195b99..030f2e7e4b 100644
--- a/src/Symfony/Bundle/FrameworkBundle/DependencyInjection/Configuration.php
+++ b/src/Symfony/Bundle/FrameworkBundle/DependencyInjection/Configuration.php
@@ -833,10 +833,14 @@ class Configuration implements ConfigurationInterface
                     ->info('PHP errors handling configuration')
                     ->addDefaultsIfNotSet()
                     ->children()
-                        ->booleanNode('log')
+                        ->scalarNode('log')
                             ->info('Use the app logger instead of the PHP logger for logging PHP errors.')
                             ->defaultValue($this->debug)
                             ->treatNullLike($this->debug)
+                            ->validate()
+                            ->ifTrue(function ($v) { return !(\is_int($v) || \is_bool($v)); })
+                            ->thenInvalid('The "php_errors.log" parameter should be either an integer or a boolean.')
+                           ->end()
                         ->end()
                         ->booleanNode('throw')
                             ->info('Throw PHP errors as \ErrorException instances.')
diff --git a/src/Symfony/Bundle/FrameworkBundle/DependencyInjection/FrameworkExtension.php b/src/Symfony/Bundle/FrameworkBundle/DependencyInjection/FrameworkExtension.php
index 8fbc4c2761..480e3610e5 100644
--- a/src/Symfony/Bundle/FrameworkBundle/DependencyInjection/FrameworkExtension.php
+++ b/src/Symfony/Bundle/FrameworkBundle/DependencyInjection/FrameworkExtension.php
@@ -605,6 +605,10 @@ class FrameworkExtension extends Extension
             $definition->replaceArgument(1, null);
         }
 
+        if (\is_int($config['log']) && $config['log']) {
+            $definition->replaceArgument(4, $config['log']);
+        }
+
         if (!$config['throw']) {
             $container->setParameter('debug.error_handler.throw_at', 0);
         }