diff --git a/src/ClientCredsRoutes.php b/src/ClientCredsRoutes.php
index 33322be..3d6f1fa 100644
--- a/src/ClientCredsRoutes.php
+++ b/src/ClientCredsRoutes.php
@@ -45,6 +45,12 @@ final class ClientCredsRoutes extends RouteHandler {
             <input type=password name=client_secret required>
         </label>
     </div>
+    <div>
+        <label>
+            <span>Scope:</span>
+            <input type=text name=scope>
+        </label>
+    </div>
     <div>
         <span>Authentication:</span>
         <label>
@@ -95,6 +101,7 @@ HTML;
         $clientId = (string)$content->getParam('client_id');
         $clientSecret = (string)$content->getParam('client_secret');
         $auth = (string)$content->getParam('auth');
+        $scope = (string)$content->getParam('scope');
 
         $headers = [];
         $body = ['grant_type' => 'client_credentials'];
@@ -105,6 +112,9 @@ HTML;
         } else
             $headers[] = sprintf('Authorization: Basic %s', base64_encode(sprintf('%s:%s', $clientId, $clientSecret)));
 
+        if($scope !== '')
+            $body['scope'] = $scope;
+
         $body = Tools::shuffleArray($body);
         $response = Tools::fetch($tokenUri, headers: $headers, body: $body);