diff --git a/backend/services/database.js b/backend/services/database.js
index 8b7d55e..4e541ce 100644
--- a/backend/services/database.js
+++ b/backend/services/database.js
@@ -229,7 +229,7 @@ export const createLoanInDatabase = async (
     // Generate unique loan_code (retry a few times)
     let loanCode = null;
     for (let i = 0; i < 6; i++) {
-      const candidate = Math.floor(1000 + Math.random() * 900000); // 4-6 digits
+      const candidate = Math.floor(100000 + Math.random() * 899999); // 6 digits
       const [exists] = await conn.query(
         "SELECT 1 FROM loans WHERE loan_code = ? LIMIT 1",
         [candidate]