diff --git a/DependencyInjection/Configuration.php b/DependencyInjection/Configuration.php
index 56402096..86a1cc7c 100644
--- a/DependencyInjection/Configuration.php
+++ b/DependencyInjection/Configuration.php
@@ -154,6 +154,7 @@ private function getManagersNode()
         $node
             ->isRequired()
             ->requiresAtLeastOneElement()
+            ->useAttributeAsKey('name')
             ->info('Maps managers to connections and bundles')
             ->prototype('array')
                 ->children()