diff --git a/lib/Doctrine/ORM/Tools/Cli/Tasks/GenerateProxiesTask.php b/lib/Doctrine/ORM/Tools/Cli/Tasks/GenerateProxiesTask.php
index 92b8f15f9..702c6228c 100644
--- a/lib/Doctrine/ORM/Tools/Cli/Tasks/GenerateProxiesTask.php
+++ b/lib/Doctrine/ORM/Tools/Cli/Tasks/GenerateProxiesTask.php
@@ -79,7 +79,7 @@ class GenerateProxiesTask extends AbstractTask
         $arguments = $this->getArguments();
         $printer = $this->getPrinter();
         
-        $em = $this->getConfiguration->getAttribute('em');
+        $em = $this->getConfiguration()->getAttribute('em');
         $cmf = $em->getMetadataFactory();
         $classes = $cmf->getAllMetadata();
         $factory = $em->getProxyFactory();