diff --git a/app/code/Magento/Integration/Block/Adminhtml/Integration/Tokens.php b/app/code/Magento/Integration/Block/Adminhtml/Integration/Tokens.php
index e8654ef4fd3d3eded0d52557415294199801a8aa..f48a5e033b93f3845b7794b4e12d4f8ad2acd5f2 100644
--- a/app/code/Magento/Integration/Block/Adminhtml/Integration/Tokens.php
+++ b/app/code/Magento/Integration/Block/Adminhtml/Integration/Tokens.php
@@ -37,7 +37,7 @@ class Tokens extends \Magento\Backend\Block\Widget\Form\Generic
 
         $fieldset = $form->addFieldset(
             'base_fieldset',
-            ['legend' => __('Integration Tokens for Extensions'), 'class' => 'fieldset-wide']
+            ['legend' => __('Integration Tokens for Extensions'), 'class' => ' fieldset-wide']
         );
 
         foreach ($this->getFormFields() as $field) {
diff --git a/app/code/Magento/Integration/view/adminhtml/templates/integration/activate/permissions/tab/webapi.phtml b/app/code/Magento/Integration/view/adminhtml/templates/integration/activate/permissions/tab/webapi.phtml
index 52539a96e184a358ebfab50ff4f22df118ddd8c3..ba9ed08ce44b9a1d6b3a5fb4eb686d0cc05cc1ad 100644
--- a/app/code/Magento/Integration/view/adminhtml/templates/integration/activate/permissions/tab/webapi.phtml
+++ b/app/code/Magento/Integration/view/adminhtml/templates/integration/activate/permissions/tab/webapi.phtml
@@ -11,7 +11,7 @@
 // @codingStandardsIgnoreFile
 
 ?>
-<fieldset class="fieldset form-inline entry-edit">
+<fieldset class="admin__fieldset form-inline entry-edit">
     <?php if ($block->isTreeEmpty()): ?>
         <p class="empty"><?php /* @escapeNotVerified */ echo __('No permissions requested'); ?></p>
     <?php else: ?>