diff --git a/app/code/Magento/Catalog/Model/Product/Attribute/SetRepository.php b/app/code/Magento/Catalog/Model/Product/Attribute/SetRepository.php
index dafa7581253fd..14774103b8cd2 100644
--- a/app/code/Magento/Catalog/Model/Product/Attribute/SetRepository.php
+++ b/app/code/Magento/Catalog/Model/Product/Attribute/SetRepository.php
@@ -62,7 +62,7 @@ public function save(\Magento\Eav\Api\Data\AttributeSetInterface $attributeSet)
      */
     public function getList(\Magento\Framework\Api\SearchCriteriaInterface $searchCriteria)
     {
-        $this->searchCriteriaBuilder->setFilterGroups($searchCriteria->getFilterGroups());
+        $this->searchCriteriaBuilder->setFilterGroups((array)$searchCriteria->getFilterGroups());
         $this->searchCriteriaBuilder->addFilters(
             [
                 $this->filterBuilder