diff --git a/.env.example b/.env.example
index 9517220..f1b9cfd 100644
--- a/.env.example
+++ b/.env.example
@@ -5,6 +5,7 @@ TRANSLATE_MODEL=plamo-2-translate
 # Chat API
 CHAT_URL=http://127.0.0.1:1234/v1
 CHAT_MODEL=gpt-oss-20b
+CHAT_LANG=en
 # CHAT_MAX_TOKENS=2048
 
 # Character/system prompt (choose one)