diff --git a/JavaScript/9-logger/logger.js b/JavaScript/9-logger/logger.js
index d1006f2..a7ed2c4 100644
--- a/JavaScript/9-logger/logger.js
+++ b/JavaScript/9-logger/logger.js
@@ -16,7 +16,7 @@ const DATETIME_LENGTH = 19;
 
 class Logger {
   constructor(logPath) {
-    this.path = logPath;
+    this.path = process.cwd();
     const date = new Date().toISOString().substring(0, 10);
     const filePath = path.join(logPath, `${date}.log`);
     this.stream = fs.createWriteStream(filePath, { flags: 'a' });
diff --git a/JavaScript/a-config/logger.js b/JavaScript/a-config/logger.js
index 80b172e..1121d1d 100644
--- a/JavaScript/a-config/logger.js
+++ b/JavaScript/a-config/logger.js
@@ -16,7 +16,7 @@ const DATETIME_LENGTH = 19;
 
 class Logger {
   constructor(logPath) {
-    this.path = logPath;
+    this.path = process.cwd();
     const date = new Date().toISOString().substring(0, 10);
     const filePath = path.join(logPath, `${date}.log`);
     this.stream = fs.createWriteStream(filePath, { flags: 'a' });
diff --git a/JavaScript/b-transport/logger.js b/JavaScript/b-transport/logger.js
index 80b172e..1121d1d 100644
--- a/JavaScript/b-transport/logger.js
+++ b/JavaScript/b-transport/logger.js
@@ -16,7 +16,7 @@ const DATETIME_LENGTH = 19;
 
 class Logger {
   constructor(logPath) {
-    this.path = logPath;
+    this.path = process.cwd();
     const date = new Date().toISOString().substring(0, 10);
     const filePath = path.join(logPath, `${date}.log`);
     this.stream = fs.createWriteStream(filePath, { flags: 'a' });
diff --git a/JavaScript/c-commonjs/logger.js b/JavaScript/c-commonjs/logger.js
index 80b172e..1121d1d 100644
--- a/JavaScript/c-commonjs/logger.js
+++ b/JavaScript/c-commonjs/logger.js
@@ -16,7 +16,7 @@ const DATETIME_LENGTH = 19;
 
 class Logger {
   constructor(logPath) {
-    this.path = logPath;
+    this.path = process.cwd();
     const date = new Date().toISOString().substring(0, 10);
     const filePath = path.join(logPath, `${date}.log`);
     this.stream = fs.createWriteStream(filePath, { flags: 'a' });
diff --git a/JavaScript/d-messenger/lib/logger.js b/JavaScript/d-messenger/lib/logger.js
index 80b172e..e157f65 100644
--- a/JavaScript/d-messenger/lib/logger.js
+++ b/JavaScript/d-messenger/lib/logger.js
@@ -15,8 +15,8 @@ const COLORS = {
 const DATETIME_LENGTH = 19;
 
 class Logger {
-  constructor(logPath) {
-    this.path = logPath;
+  constructor(logPath, appRootPath) {
+    this.path = appRootPath;
     const date = new Date().toISOString().substring(0, 10);
     const filePath = path.join(logPath, `${date}.log`);
     this.stream = fs.createWriteStream(filePath, { flags: 'a' });
@@ -69,4 +69,4 @@ class Logger {
   }
 }
 
-module.exports = new Logger('./log');
+module.exports = (appRoot) => new Logger('./log', appRoot);
diff --git a/JavaScript/d-messenger/main.js b/JavaScript/d-messenger/main.js
index 83d5663..44eff1c 100644
--- a/JavaScript/d-messenger/main.js
+++ b/JavaScript/d-messenger/main.js
@@ -3,7 +3,7 @@
 const fsp = require('node:fs').promises;
 const path = require('node:path');
 const staticServer = require('./lib/static.js');
-const logger = require('./lib/logger.js');
+const logger = require('./lib/logger.js')(process.cwd());
 const common = require('./lib/common.js');
 const config = require('./config.js');
 const load = require('./lib/load.js')(config.sandbox);