diff --git a/lib/Listener/BeforeTemplateRenderedListener.php b/lib/Listener/BeforeTemplateRenderedListener.php
index 853f132..aa0701d 100644
--- a/lib/Listener/BeforeTemplateRenderedListener.php
+++ b/lib/Listener/BeforeTemplateRenderedListener.php
@@ -35,7 +35,7 @@ public function handle(Event $event): void {
 		$this->initialState->provideInitialState('homeUrl',
 			$this->urlGenerator->linkTo('', 'index.php'));
 		$this->initialState->provideInitialState('productName',
-			$this->config->getSystemValue('ionos_product_name', ''));
+			$this->config->getSystemValueString('ionos_product_name'));
 
 		if ($isLoggedIn) {
 			$this->initialState->provideInitialState('displayName',