diff --git a/functions/data-request.php b/functions/data-request.php
index ef08efd8..fa32e844 100644
--- a/functions/data-request.php
+++ b/functions/data-request.php
@@ -804,8 +804,8 @@ function dolicart_request() {
 				}
 				$price = doliProductPrice($product, $qty, false, true);
 				$result = doliaddtocart($product, $mstock, $qty, $price, isset($_POST['product-add-timestamp_start'])?trim($_POST['product-add-timestamp_start']):null, isset($_POST['product-add-timestamp_end'])?trim($_POST['product-add-timestamp_end']):null);
-				if (!empty(doliRequiredRelatedProducts($product->id, false))) {
-					$result2 = doliRequiredRelatedProducts($product->id, true);
+				if (!empty(doliRequiredRelatedProducts($product->id, null, false))) {
+					$result2 = doliRequiredRelatedProducts($product->id, $qty, true);
 				}
 				$response = [
 					'message' => dolialert('success', $result['message']),
diff --git a/functions/product.php b/functions/product.php
index 953355ed..1c6a7bbd 100644
--- a/functions/product.php
+++ b/functions/product.php
@@ -9,7 +9,7 @@ function doliproduct($object, $value) {
   }
 }
 
-function doliRequiredRelatedProducts($id, $valid = false) {
+function doliRequiredRelatedProducts($id, $qty = null, $valid = false) {
   $request = "/relatedproducts/".$id."?required=true";
   $relatedproducts = callDoliApi("GET", $request, null, dolidelay('product', esc_attr(isset($_GET["refresh"]) ? $_GET["refresh"] : null)));  
   if ( !isset( $relatedproducts->error ) && $relatedproducts != null ) {
@@ -17,7 +17,7 @@ function doliRequiredRelatedProducts($id, $valid = false) {
         return true;
       } else {
         foreach ( $relatedproducts as $product ) {
-          $qty = $product->qty;
+          $qty2 = $qty*$product->qty;
           $product = callDoliApi("GET", "/products/".$product->id."?includestockdata=1&includesubproducts=true&includetrans=true", null, dolidelay('product', true));
           $mstock = doliProductStock($product, false, true);
           $price = doliProductPrice($product, $qty, false, true);