diff --git a/src/Symfony/Bundle/FrameworkBundle/DependencyInjection/Configuration.php b/src/Symfony/Bundle/FrameworkBundle/DependencyInjection/Configuration.php
index c81aaf7d8f..7e8ad2e59e 100644
--- a/src/Symfony/Bundle/FrameworkBundle/DependencyInjection/Configuration.php
+++ b/src/Symfony/Bundle/FrameworkBundle/DependencyInjection/Configuration.php
@@ -100,8 +100,8 @@ class Configuration implements ConfigurationInterface
                 ->arrayNode('profiler')
                     ->canBeUnset()
                     ->children()
-                        ->booleanNode('only_exceptions')->defaultValue(false)->end()
-                        ->booleanNode('only_master_requests')->defaultValue(false)->end()
+                        ->booleanNode('only_exceptions')->defaultFalse()->end()
+                        ->booleanNode('only_master_requests')->defaultFalse()->end()
                         ->scalarNode('dsn')->defaultValue('sqlite:%kernel.cache_dir%/profiler.db')->end()
                         ->scalarNode('username')->defaultValue('')->end()
                         ->scalarNode('password')->defaultValue('')->end()
diff --git a/src/Symfony/Bundle/SwiftmailerBundle/DependencyInjection/Configuration.php b/src/Symfony/Bundle/SwiftmailerBundle/DependencyInjection/Configuration.php
index 440b23e41a..31f1c2dcca 100644
--- a/src/Symfony/Bundle/SwiftmailerBundle/DependencyInjection/Configuration.php
+++ b/src/Symfony/Bundle/SwiftmailerBundle/DependencyInjection/Configuration.php
@@ -59,7 +59,7 @@ class Configuration implements ConfigurationInterface
                 ->scalarNode('username')->defaultNull()->end()
                 ->scalarNode('password')->defaultNull()->end()
                 ->scalarNode('host')->defaultValue('localhost')->end()
-                ->scalarNode('port')->defaultValue(false)->end()
+                ->scalarNode('port')->defaultFalse()->end()
                 ->scalarNode('encryption')
                     ->defaultNull()
                     ->validate()