diff --git a/DependencyInjection/DoctrineExtension.php b/DependencyInjection/DoctrineExtension.php
index 3716e488c..e090ace9a 100644
--- a/DependencyInjection/DoctrineExtension.php
+++ b/DependencyInjection/DoctrineExtension.php
@@ -966,7 +966,7 @@ public function getConfiguration(array $config, ContainerBuilder $container): Co
 
     protected function getMetadataDriverClass(string $driverType): string
     {
-        return '%' . $this->getObjectManagerElementName('metadata.' . $driverType . '.class%');
+        return '%' . $this->getObjectManagerElementName('metadata.' . $driverType . '.class') . '%';
     }
 
     private function loadMessengerServices(ContainerBuilder $container): void