diff --git a/AssetsBundle/DependencyInjection/Configuration.php b/AssetsBundle/DependencyInjection/Configuration.php
index 74a721c..2f0ac4d 100644
--- a/AssetsBundle/DependencyInjection/Configuration.php
+++ b/AssetsBundle/DependencyInjection/Configuration.php
@@ -35,6 +35,7 @@ public function addTypes(NodeBuilder $node)
         // @formatter:off
         /** @noinspection PhpUndefinedMethodInspection */
         $node->arrayNode('types')
+                ->useAttributeAsKey('type')
                 ->prototype('array')
                 ->addDefaultsIfNotSet()
                 ->children()