diff --git a/options/mzta-options-default.js b/options/mzta-options-default.js
index 12ca7726..03e4ccbe 100644
--- a/options/mzta-options-default.js
+++ b/options/mzta-options-default.js
@@ -22,6 +22,7 @@ export const prefs_default = {
     chatgpt_win_width: 700,
     default_chatgpt_lang: '',
     default_sign_name: '',
+    reply_type: 'reply_all',
     composing_plain_text: false,
     connection_type: 'chatgpt_web',     //Other values: 'chatgpt_api', 'ollama_api', 'openai_comp_api', 'google_gemini_api'
     chatgpt_web_model: '',