diff --git a/.env.production b/.env.production
index 5b0dcb0498..6f47bc54b6 100644
--- a/.env.production
+++ b/.env.production
@@ -1,12 +1,12 @@
 VITE_APP_NAME=voicevox
 VITE_DEFAULT_ENGINE_INFOS=`[
     {
-        "uuid": "074fc39e-678b-4c13-8916-ffca8d505d1d",
-        "name": "VOICEVOX Engine",
-        "executionEnabled": true,
-        "executionFilePath": "vv-engine/run.exe",
+        "name": "Mock Engine",
+        "uuid": "00000000-0000-0000-0000-000000000000",
+        "executionEnabled": false,
+        "executionFilePath": "いらないはず",
         "executionArgs": [],
-        "host": "http://127.0.0.1:50021"
+        "host": "http://mock"
     }
 ]`
 VITE_OFFICIAL_WEBSITE_URL=https://voicevox.hiroshiba.jp/