diff -u b/modules/commerce/src/Plugin/migrate/source/commerce1/ProductType.php b/modules/commerce/src/Plugin/migrate/source/commerce1/ProductType.php
--- b/modules/commerce/src/Plugin/migrate/source/commerce1/ProductType.php
+++ b/modules/commerce/src/Plugin/migrate/source/commerce1/ProductType.php
@@ -51,7 +51,7 @@
       ->execute()
       ->fetchCol();
     $data = empty($data) ?: unserialize($data[0]);
-    $line_item_type =$data['display']['default']['settings']['line_item_type'] ?? '';
+    $line_item_type = $data['display']['default']['settings']['line_item_type'] ?? '';
     $row->setSourceProperty('line_item_type', $line_item_type);
     return parent::prepareRow($row);
   }