diff --git a/Classes/Widgets/Provider/OrdersPerDayProvider.php b/Classes/Widgets/Provider/OrdersPerDayProvider.php
index fdca20d6..d810e81f 100644
--- a/Classes/Widgets/Provider/OrdersPerDayProvider.php
+++ b/Classes/Widgets/Provider/OrdersPerDayProvider.php
@@ -29,7 +29,7 @@ public function __construct(
         private readonly QueryBuilder $queryBuilder,
         array $options = []
     ) {
-        $this->languageService = GeneralUtility::makeInstance(LanguageServiceFactory::class)->create($GLOBALS['BE_USER']->uc['lang']);
+        $this->languageService = GeneralUtility::makeInstance(LanguageServiceFactory::class)->createFromUserPreferences($GLOBALS['BE_USER']);
         $this->options = array_merge(
             [
                 'fieldName' => 'tx_cart_domain_model_order_item.order_date',
diff --git a/Classes/Widgets/Provider/TurnoverPerDayProvider.php b/Classes/Widgets/Provider/TurnoverPerDayProvider.php
index 8920d4e1..9b69ae34 100644
--- a/Classes/Widgets/Provider/TurnoverPerDayProvider.php
+++ b/Classes/Widgets/Provider/TurnoverPerDayProvider.php
@@ -28,7 +28,7 @@ public function __construct(
         private readonly QueryBuilder $queryBuilder,
         array $options = []
     ) {
-        $this->languageService = GeneralUtility::makeInstance(LanguageServiceFactory::class)->create($GLOBALS['BE_USER']->uc['lang']);
+        $this->languageService = GeneralUtility::makeInstance(LanguageServiceFactory::class)->createFromUserPreferences($GLOBALS['BE_USER']);
         $this->options = array_merge(
             [
                 'fieldName' => 'tx_cart_domain_model_order_item.order_date',