diff --git a/ajax/getusers.php b/ajax/getusers.php
index 4973cf7..2f36f84 100644
--- a/ajax/getusers.php
+++ b/ajax/getusers.php
@@ -1,9 +1,10 @@
 <option>Selecciona usuari...</option>
 
 <?php
+	require '../credentials.php';
 	require '../php/utils.php';
-	
 	$users = get_users(0);
+
 	foreach ($users as $user) {
 		$nopassword = $user->md5password == "" ? "nopassword" : "";
 		echo "<option class='".$nopassword."' value='".$user->id."'>".$user->nomcomplet."</option>\n";
diff --git a/ajax/userinfo.php b/ajax/userinfo.php
index 6a36742..b75a3ff 100644
--- a/ajax/userinfo.php
+++ b/ajax/userinfo.php
@@ -1,4 +1,5 @@
 <?php
+	require '../credentials.php';
 	require '../php/utils.php';
 	$user = get_users($_POST['id']);
 	
diff --git a/main.php b/main.php
index 4f1ed3f..1726e0d 100644
--- a/main.php
+++ b/main.php
@@ -19,6 +19,7 @@
 		<script src="./js/animations.js"></script>
 		
 		<?php 
+			require './credentials.php';
 			require './php/utils.php';
 			$user = get_users($_COOKIE['user']);
 			$victim = get_users($user->quimata);
diff --git a/php/change_password.php b/php/change_password.php
index ce157f7..82ffcde 100644
--- a/php/change_password.php
+++ b/php/change_password.php
@@ -1,4 +1,5 @@
 <?php
+	require '../credentials.php';
 	require 'utils.php';
 
 	// Check if confirmation is the same
diff --git a/php/login.php b/php/login.php
index 3ebd0c5..4219e2c 100644
--- a/php/login.php
+++ b/php/login.php
@@ -1,4 +1,5 @@
 <?php
+	require '../credentials.php';
 	require 'utils.php';
 	
 	// Set the 'user' POST and COOKIE variable
diff --git a/php/request.php b/php/request.php
index aca3540..58201ae 100644
--- a/php/request.php
+++ b/php/request.php
@@ -1,4 +1,5 @@
 <?php
+	require '../credentials.php';
 	require 'utils.php';
 
 	// Do the query
diff --git a/php/utils.php b/php/utils.php
index 084c41c..ae0cb5b 100644
--- a/php/utils.php
+++ b/php/utils.php
@@ -13,14 +13,9 @@
 	}
 	
 	function query($query) {
-		// Define MySQL login variables
-		$servername = "localhost"; // "andreuhuguet78654.ipagemysql.com";
-		$username = "root"; // "andreu";
-		$password = ""; // "1234";
-		$dbname = "pastanaga"; // "fme_2019";
-
 		// Create connection
-		$conn = new mysqli($servername, $username, $password, $dbname);
+		$credentials = new Credentials();
+		$conn = new mysqli($credentials->servername, $credentials->username, $credentials->password, $credentials->dbname);
 		if ($conn->connect_error) die("Connection failed: " . $conn->connect_error);
 		$conn->set_charset("utf8");