diff --git a/app/code/Magento/Catalog/Controller/Adminhtml/Product/Attribute/Validate.php b/app/code/Magento/Catalog/Controller/Adminhtml/Product/Attribute/Validate.php
index 81c5c688b918d..e2e5be943f97c 100644
--- a/app/code/Magento/Catalog/Controller/Adminhtml/Product/Attribute/Validate.php
+++ b/app/code/Magento/Catalog/Controller/Adminhtml/Product/Attribute/Validate.php
@@ -154,7 +154,11 @@ private function setMessageToResponse($response, $messages)
      */
     private function checkUniqueOption(DataObject $response, array $options = null)
     {
-        if (is_array($options) && !$this->isUniqueAdminValues($options['value'], $options['delete'])) {
+        if (is_array($options)
+            && isset($options['value'])
+            && isset($options['delete'])
+            && !$this->isUniqueAdminValues($options['value'], $options['delete'])
+        ) {
             $this->setMessageToResponse($response, [__("The value of Admin must be unique.")]);
             $response->setError(true);
         }