diff --git a/samples/website_integration/form.php b/samples/website_integration/form.php
index 120d4287..5f2985cb 100644
--- a/samples/website_integration/form.php
+++ b/samples/website_integration/form.php
@@ -17,19 +17,19 @@ $pass = get_from_post_or_empty('password');
 
 $was_successful = false;
 if ($user && $pass) {
-	require_once('integration.php');
-	if (authme_check_password($user, $pass)) {
-		printf('<h1>Hello, %s!</h1>', htmlspecialchars($user));
-		echo 'Successful login. Nice to have you back!'
-			. '<br /><a href="form.php">Back to form</a>';
-		$was_successful = true;
-	} else {
-		echo '<h1>Error</h1> Invalid username or password.';
-	}
+    require_once('integration.php');
+    if (authme_check_password($user, $pass)) {
+        printf('<h1>Hello, %s!</h1>', htmlspecialchars($user));
+        echo 'Successful login. Nice to have you back!'
+            . '<br /><a href="form.php">Back to form</a>';
+        $was_successful = true;
+    } else {
+        echo '<h1>Error</h1> Invalid username or password.';
+    }
 }
 
 if (!$was_successful) {
-	echo '<h1>Login sample</h1>
+    echo '<h1>Login sample</h1>
 This is a demo form for AuthMe website integration. Enter your AuthMe login details
 into the following form to test it.
 <form method="post">
@@ -42,9 +42,9 @@ into the following form to test it.
 }
 
 function get_from_post_or_empty($index_name) {
-	return trim(
-		filter_input(INPUT_POST, $index_name, FILTER_UNSAFE_RAW, FILTER_REQUIRE_SCALAR | FILTER_FLAG_STRIP_LOW)
-		    ?: '');
+    return trim(
+        filter_input(INPUT_POST, $index_name, FILTER_UNSAFE_RAW, FILTER_REQUIRE_SCALAR | FILTER_FLAG_STRIP_LOW)
+            ?: '');
 }
 ?>
 
diff --git a/samples/website_integration/integration.php b/samples/website_integration/integration.php
index 56d51d36..3008fb98 100644
--- a/samples/website_integration/integration.php
+++ b/samples/website_integration/integration.php
@@ -34,13 +34,13 @@ function authme_check_password($username, $password) {
  */
 function authme_get_hash($username) {
     // Add here your database host, username, password and database name
-	$mysqli = new mysqli('HOST', 'USER', 'PWD', 'DB');
-	$authme_table = 'authme';
+    $mysqli = new mysqli('HOST', 'USER', 'PWD', 'DB');
+    $authme_table = 'authme';
 
-	if (mysqli_connect_error()) {
-	    printf('Could not connect to AuthMe database. Errno: %d, error: "%s"',
-	        mysqli_connect_errno(), mysqli_connect_error());
-	} else {
+    if (mysqli_connect_error()) {
+        printf('Could not connect to AuthMe database. Errno: %d, error: "%s"',
+            mysqli_connect_errno(), mysqli_connect_error());
+    } else {
         $stmt = $mysqli->prepare("SELECT password FROM $authme_table WHERE username = ?");
         $stmt->bind_param('s', $username);
         $stmt->execute();
@@ -48,7 +48,7 @@ function authme_get_hash($username) {
         if ($stmt->fetch()) {
             return $password;
         }
-	}
+    }
     return null;
 }