diff --git a/api/src/misc/language-codes.js b/api/src/misc/language-codes.js
index 804e3e55..1f692601 100644
--- a/api/src/misc/language-codes.js
+++ b/api/src/misc/language-codes.js
@@ -49,6 +49,6 @@ const maps = {
 }
 
 export const convertLanguageCode = (code) => {
-    code = code.split("-")[0].split("_")[0];
+    code = code?.split("-")[0]?.split("_")[0] || "";
     return maps[code.length]?.[code.toLowerCase()] || null;
 }