diff --git a/modules/PriceBooks/actions/ProductListPrice.php b/modules/PriceBooks/actions/ProductListPrice.php
index d5c6734d68975304057616c367507922a4e44f73..978a227cc5f153e464003cc6f21e94595fb85c19 100644
--- a/modules/PriceBooks/actions/ProductListPrice.php
+++ b/modules/PriceBooks/actions/ProductListPrice.php
@@ -25,6 +25,7 @@ class PriceBooks_ProductListPrice_Action extends Vtiger_Action_Controller {
 		$moduleModel = $request->getModule();
 		$priceBookModel = Vtiger_Record_Model::getInstanceById($recordId, $moduleModel);
 		$listPrice = $priceBookModel->getProductsListPrice($request->get('itemId'));
+		if (empty($listPrice)) $listPrice = 0; /* Selected product not in pricebook */
 
 		$response = new Vtiger_Response();
 		$response->setResult(array($listPrice));