diff --git a/ExerciseChecker/src/app.ts b/ExerciseChecker/src/app.ts
index 1f025d2a7d79a5f8d7d11a35c57cd2568dcc5c54..63eef070ae3635dcf2c0245dd9e39337469df870 100644
--- a/ExerciseChecker/src/app.ts
+++ b/ExerciseChecker/src/app.ts
@@ -1,10 +1,11 @@
 // Read from the .env file
 // ATTENTION : This lines MUST be the first of this file (except for the path import)
 const path = require('node:path');
-require('dotenv').config({
-                             path      : path.join(__dirname, '../.env'),
-                             DOTENV_KEY: 'dotenv://:key_bebfddf18e3dd9a0bafafe0e383313f75add1da6fbe41ea5fde51f37ef1776aa@dotenv.local/vault/.env.vault?environment=development'
-                         });
+const myEnv = require('dotenv').config({
+                                           path      : path.join(__dirname, '../.env'),
+                                           DOTENV_KEY: 'dotenv://:key_bebfddf18e3dd9a0bafafe0e383313f75add1da6fbe41ea5fde51f37ef1776aa@dotenv.local/vault/.env.vault?environment=development'
+                                       });
+require('dotenv-expand').expand(myEnv);
 require('./shared/helpers/TypeScriptExtensions'); // ATTENTION : This line MUST be the second of this file
 
 import ClientsSharedConfig                  from './sharedByClients/config/ClientsSharedConfig';