diff --git a/bundle/EventListener/ContentProxyTranslateListener.php b/bundle/EventListener/ContentProxyTranslateListener.php
index 3b2973a..10c5f1f 100644
--- a/bundle/EventListener/ContentProxyTranslateListener.php
+++ b/bundle/EventListener/ContentProxyTranslateListener.php
@@ -70,6 +70,9 @@ public function translate(ContentProxyTranslateEvent $event): void
 
         $fromLanguageCode = $event->getFromLanguageCode();
         $toLanguageCode = $event->getToLanguageCode();
+        if (!($fromLanguageCode && $toLanguageCode)) {
+            return;
+        }
 
         $contentDraft = $this->translator->getTranslatedContent(
             $fromLanguageCode,