diff --git a/packages/Webkul/Product/src/Type/Simple.php b/packages/Webkul/Product/src/Type/Simple.php
index e7620fdd5..2c0a90e5a 100644
--- a/packages/Webkul/Product/src/Type/Simple.php
+++ b/packages/Webkul/Product/src/Type/Simple.php
@@ -56,7 +56,9 @@ class Simple extends AbstractType
     public function haveSufficientQuantity($qty)
     {
         $backorders = core()->getConfigData('catalog.inventory.stock_options.backorders');
-        
+
+        $backorders = ! is_null ($backorders) ? $backorders : false;
+  
         return $qty <= $this->totalQuantity() ? true : $backorders;
     }
 }
\ No newline at end of file