diff --git a/lib/Common/EntityManagerFactory.php b/lib/Common/EntityManagerFactory.php
index 132bcf7..3023499 100755
--- a/lib/Common/EntityManagerFactory.php
+++ b/lib/Common/EntityManagerFactory.php
@@ -35,7 +35,7 @@ class EntityManagerFactory
         $cache_adapter = $dev_mode ? new ArrayAdapter : new FilesystemAdapter('', 0, $params['cache_dir']);
 
         $config = ORMSetup::createAttributeMetadataConfiguration($paths, $dev_mode, $params['proxy_dir'], $cache_adapter);
-        $config->setAutoGenerateProxyClasses($dev_mode ? AbstractProxyFactory::AUTOGENERATE_ALWAYS : AbstractProxyFactory::AUTOGENERATE_NEVER);
+        $config->setAutoGenerateProxyClasses($dev_mode ? true : false);
 
         if ($middlewares) $config->setMiddlewares($middlewares);