diff --git a/options/mzta-options-default.js b/options/mzta-options-default.js
index a6d1ca66..a7aa5e89 100644
--- a/options/mzta-options-default.js
+++ b/options/mzta-options-default.js
@@ -42,6 +42,9 @@ export const prefs_default = {
     google_gemini_api_key: '',
     google_gemini_model: '',
     google_gemini_system_instruction: '',
+    anthropic_api_key: '',
+    anthropic_model: '',
+    anthropic_version: '2023-06-01',
     dynamic_menu_force_enter: false,
     dynamic_menu_order_alphabet: true,
     placeholders_use_default_value: false,