diff --git a/src/DI/OrmAnnotationsExtension.php b/src/DI/OrmAnnotationsExtension.php
index 862ef7ce1..3bf2393f6 100644
--- a/src/DI/OrmAnnotationsExtension.php
+++ b/src/DI/OrmAnnotationsExtension.php
@@ -40,7 +40,7 @@ public function loadConfiguration(): void
 		}
 
 		$builder = $this->getContainerBuilder();
-		$config = $this->getConfig($this->defaults);
+		$config = $this->validateConfig($this->defaults);
 
 		$reader = $builder->addDefinition($this->prefix('annotationReader'))
 			->setClass(AnnotationReader::class)