diff --git a/src/DependencyInjection/SyliusPayPalExtension.php b/src/DependencyInjection/SyliusPayPalExtension.php
index 84371d8e..b882d2bc 100644
--- a/src/DependencyInjection/SyliusPayPalExtension.php
+++ b/src/DependencyInjection/SyliusPayPalExtension.php
@@ -51,6 +51,7 @@ public function prepend(ContainerBuilder $container): void
             return;
         }
 
+        /** @var array<int|string, mixed> $doctrineConfig */
         $doctrineConfig = $container->getExtensionConfig('doctrine_migrations');
         $migrationsPath = (array) \array_pop($doctrineConfig)['migrations_paths'];
         $container->prependExtensionConfig('doctrine_migrations', [