diff --git a/PropelBundle.php b/PropelBundle.php
index 161e909..508dc95 100644
--- a/PropelBundle.php
+++ b/PropelBundle.php
@@ -85,6 +85,8 @@ class PropelBundle extends Bundle
             $serviceContainer->setAdapterClass($name, $config['adapter']);
             $serviceContainer->setConnectionManager($name, $manager);
         }
+
+        $serviceContainer->initDatabaseMaps([]);
     }
 
     protected function configureLogging()