diff --git a/app.js b/app.js
index 99c3c8d..0b2b097 100644
--- a/app.js
+++ b/app.js
@@ -68,7 +68,7 @@ app.post("/login", async (req, res) => {
       res.status(400).send("All input is required");
     }
     // Validate if user exist in our database
-    const user = await User.findOne({ email });
+    const user = await User.findOne({ email.toLowerCase() }); //ux: convert email input to lowerCase before check 
 
     if (user && (await bcrypt.compare(password, user.password))) {
       // Create token