diff --git a/DependencyInjection/Configuration.php b/DependencyInjection/Configuration.php
index 98028f9b7..ccf0fc7b5 100644
--- a/DependencyInjection/Configuration.php
+++ b/DependencyInjection/Configuration.php
@@ -85,7 +85,7 @@ class Configuration implements ConfigurationInterface
                                             ->scalarNode('key')
                                                 ->isRequired()->cannotBeEmpty()
                                             ->end()
-                                            ->arrayNode('labels')->requiresAtLeastOneElement()
+                                            ->arrayNode('labels')
                                                 ->children()
                                                     ->scalarNode('lang')->isRequired()->cannotBeEmpty()
                                                         ->example('fr')