diff --git a/phpstan-baseline.neon b/phpstan-baseline.neon
index 211af313..f16c7e02 100644
--- a/phpstan-baseline.neon
+++ b/phpstan-baseline.neon
@@ -85,11 +85,6 @@ parameters:
 			count: 1
 			path: src/bundle/DependencyInjection/ConfigurationMapper.php
 
-		-
-			message: "#^Parameter \\#1 \\$configuration of method Symfony\\\\Component\\\\DependencyInjection\\\\Extension\\\\Extension\\:\\:processConfiguration\\(\\) expects Symfony\\\\Component\\\\Config\\\\Definition\\\\ConfigurationInterface, Symfony\\\\Component\\\\Config\\\\Definition\\\\ConfigurationInterface\\|null given\\.$#"
-			count: 1
-			path: src/bundle/DependencyInjection/EzRecommendationClientExtension.php
-
 		-
 			message: "#^Method EzSystems\\\\EzRecommendationClientBundle\\\\EzRecommendationClientBundle\\:\\:build\\(\\) has no return type specified\\.$#"
 			count: 1
diff --git a/src/lib/Service/ContentService.php b/src/lib/Service/ContentService.php
index 86aafff0..1f2d770c 100644
--- a/src/lib/Service/ContentService.php
+++ b/src/lib/Service/ContentService.php
@@ -259,12 +259,13 @@ private function getAuthor(APIContent $contentValue, APIContentType $contentType
      *
      * @return array<string>
      */
-    private function prepareFields(APIContentType $contentType, array $fields): array
+    private function prepareFields(APIContentType $contentType, ?array $fields = null): array
     {
-        if (empty($fields)) {
+        if (!empty($fields)) {
             return $fields;
         }
 
+        $fields = [];
         foreach ($contentType->getFieldDefinitions() as $field) {
             $fields[] = $field->identifier;
         }