diff --git a/users/authservice/auth-service.js b/users/authservice/auth-service.js
index 78cf649b..df14dcf6 100644
--- a/users/authservice/auth-service.js
+++ b/users/authservice/auth-service.js
@@ -32,7 +32,7 @@ app.post('/login', async (req, res) => {
     const { username, password } = req.body;
 
     // Find the user by username in the database
-    const user = await User.findOne({ username });
+    const user = await User.findOne({ username:username.toString() });
 
     // Check if the user exists and verify the password
     if (user && await bcrypt.compare(password, user.password)) {