diff --git a/payment_server/v2/main/connect.php b/payment_server/v2/main/connect.php
index f30bd57..1b4489d 100755
--- a/payment_server/v2/main/connect.php
+++ b/payment_server/v2/main/connect.php
@@ -41,7 +41,7 @@ try {
     
 // echo $con;
     // --- JWT Authentication ---
-    include "functions.php"; // Include the functions file
+    include __DIR__ . "/functions.php"; // Include the functions file
 
      $decodedToken = authenticateJWT(); // Call the authentication function
 
diff --git a/payment_server/v2/main/ride/passengerWallet/getWalletByPassenger.php b/payment_server/v2/main/ride/passengerWallet/getWalletByPassenger.php
index 0a256ea..4d74f73 100755
--- a/payment_server/v2/main/ride/passengerWallet/getWalletByPassenger.php
+++ b/payment_server/v2/main/ride/passengerWallet/getWalletByPassenger.php
@@ -3,13 +3,13 @@ include "../../connect.php";
 $passenger_id = filterRequest("passenger_id");
 
 $sql = "SELECT 
-    COALESCE(dummy.passenger_id, '$passenger_id') AS passenger_id,
+    COALESCE(dummy.passenger_id, :passenger_id) AS passenger_id,
     COALESCE(SUM(pw.balance), 0) AS total,  -- Adjust column to represent payments
     COALESCE(p.first_name, '') AS first_name,
     COALESCE(p.last_name, '') AS last_name,
     COALESCE(p.phone, '') AS phone
 FROM 
-    (SELECT '$passenger_id' AS passenger_id) AS dummy
+    (SELECT :passenger_id2 AS passenger_id) AS dummy
 LEFT JOIN `passengerWallet` pw ON pw.passenger_id = dummy.passenger_id
 LEFT JOIN passengers p ON p.id = dummy.passenger_id
 GROUP BY 
@@ -17,7 +17,7 @@ GROUP BY
 LIMIT 0, 25;
 ";
 $stmt = $con->prepare($sql);
-$stmt->execute();
+$stmt->execute(['passenger_id' => $passenger_id, 'passenger_id2' => $passenger_id]);
 
 if ($stmt->rowCount() > 0) {
     // Fetch the record