diff --git a/app/code/core/Mage/CatalogInventory/Model/Resource/Stock.php b/app/code/core/Mage/CatalogInventory/Model/Resource/Stock.php
index 3a47f78f935..83acc130dd0 100644
--- a/app/code/core/Mage/CatalogInventory/Model/Resource/Stock.php
+++ b/app/code/core/Mage/CatalogInventory/Model/Resource/Stock.php
@@ -142,10 +142,10 @@ public function getProductsStock($stock, $productIds, $lockRows = false)
         // so using a separate query here significantly reduces the number of
         // unnecessarily locked rows in other tables, thereby avoiding deadlocks.
         $select = $this->_getWriteAdapter()->select()
-            ->from($productTable, ['entity_id', 'type_id'])
+            ->from($productTable, array('entity_id', 'type_id'))
             ->where('entity_id IN(?)', $productIds);
         $typeIds = $this->_getWriteAdapter()->fetchPairs($select);
-        foreach ($rows as $row) {
+        foreach ($rows as &$row) {
             $row['type_id'] = $typeIds[$row['product_id']];
         }
         return $rows;