diff --git a/Datatable/AbstractDatatable.php b/Datatable/AbstractDatatable.php
index 03b5bf28..3778c8c1 100755
--- a/Datatable/AbstractDatatable.php
+++ b/Datatable/AbstractDatatable.php
@@ -184,7 +184,7 @@ public function __construct(
         $this->doctrine = $doctrine;
         $this->twig = $twig;
         
-        $this->em = $em = $this->getEntityManager();
+        $this->em = $em = $this->getDoctrine()->getManager();
         $metadata = $em->getClassMetadata($this->getEntity());
         $this->columnBuilder = new ColumnBuilder($metadata, $twig, $router, $this->getName(), $em);