diff --git a/src/ts/translator/translator.ts b/src/ts/translator/translator.ts
index 2dd52d51..0304be8d 100644
--- a/src/ts/translator/translator.ts
+++ b/src/ts/translator/translator.ts
@@ -107,7 +107,6 @@ async function translateMain(text:string, arg:{from:string, to:string, host:stri
     if(db.translatorType === 'deepl'){
         const body = {
             text: [text],
-            source_lang: arg.from.toLocaleUpperCase(),
             target_lang: arg.to.toLocaleUpperCase(),
         }
         let url = db.deeplOptions.freeApi ? "https://api-free.deepl.com/v2/translate" : "https://api.deepl.com/v2/translate"