diff --git a/app/code/Magento/Customer/Block/Adminhtml/Edit/Tab/Orders.php b/app/code/Magento/Customer/Block/Adminhtml/Edit/Tab/Orders.php
index f2b8133e352ad..2fb59ec767e8a 100644
--- a/app/code/Magento/Customer/Block/Adminhtml/Edit/Tab/Orders.php
+++ b/app/code/Magento/Customer/Block/Adminhtml/Edit/Tab/Orders.php
@@ -63,7 +63,8 @@ protected function _construct()
     {
         parent::_construct();
         $this->setId('customer_orders_grid');
-        $this->setDefaultSort('created_at', 'desc');
+        $this->setDefaultSort('created_at');
+        $this->setDefaultDir('desc');
         $this->setUseAjax(true);
     }
 
diff --git a/app/code/Magento/Customer/Block/Adminhtml/Edit/Tab/View/Cart.php b/app/code/Magento/Customer/Block/Adminhtml/Edit/Tab/View/Cart.php
index 1bc6bb1da3680..e63c00ba18d29 100644
--- a/app/code/Magento/Customer/Block/Adminhtml/Edit/Tab/View/Cart.php
+++ b/app/code/Magento/Customer/Block/Adminhtml/Edit/Tab/View/Cart.php
@@ -77,7 +77,8 @@ protected function _construct()
     {
         parent::_construct();
         $this->setId('customer_view_cart_grid');
-        $this->setDefaultSort('added_at', 'desc');
+        $this->setDefaultSort('added_at');
+        $this->setDefaultDir('desc');
         $this->setSortable(false);
         $this->setPagerVisibility(false);
         $this->setFilterVisibility(false);