diff --git a/.gitignore b/.gitignore
index e711829..48ed21d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -8,3 +8,4 @@ composer.lock
 cs_fixer_tmp*
 phpunit.xml.bak
 vendor/*
+build/*
diff --git a/src/MetaLoader.php b/src/MetaLoader.php
index 99d673b..b0840fd 100644
--- a/src/MetaLoader.php
+++ b/src/MetaLoader.php
@@ -671,7 +671,7 @@ public function writeMetadataSerialize(string $outputDir): void
      */
     public function writeMetadataPdo(Configuration $globalConfig, array $config = []): void
     {
-        $metaHandler = new Metadata\MetaDataStorageHandlerPdo($globalConfig, $config);
+        $metaHandler = new Metadata\MetaDataStorageHandlerPdo($globalConfig->toArray(), $config);
 
         foreach ($this->metadata as $set => $elements) {
             foreach ($elements as $m) {