diff --git a/htdocs/product/class/html.formproduct.class.php b/htdocs/product/class/html.formproduct.class.php
index beb84f3e455..f9ea6b54beb 100644
--- a/htdocs/product/class/html.formproduct.class.php
+++ b/htdocs/product/class/html.formproduct.class.php
@@ -865,6 +865,28 @@ class FormProduct
 			// clear cache
 			$this->cache_lot = array();
 			$productIdList = implode(',', $productIdArray);
+
+			$batch_count = 0;
+			global $hookmanager;
+			if (empty($hookmanager)) {
+				include_once DOL_DOCUMENT_ROOT . '/core/class/hookmanager.class.php';
+				$hookmanager = new HookManager($this->db);
+			}
+			$hookmanager->initHooks(array('productdao'));
+			$parameters = array('productIdList' => $productIdList);
+			$reshook = $hookmanager->executeHooks('loadLotStock', $parameters, $this);
+			if ($reshook < 0) {
+				$this->error = $hookmanager->error;
+				return -1;
+			}
+			if (!empty($hookmanager->resArray['batch_list']) && is_array($hookmanager->resArray['batch_list'])) {
+				$this->cache_lot = $hookmanager->resArray['batch_list'];
+				$batch_count = (int) $hookmanager->resArray['batch_count'];
+			}
+			if ($reshook > 0) {
+				return $batch_count;
+			}
+
 			$sql = "SELECT pb.batch, pb.rowid, ps.fk_entrepot, pb.qty, e.ref as label, ps.fk_product";
 			$sql .= " FROM ".$this->db->prefix()."product_batch as pb";
 			$sql .= " LEFT JOIN ".$this->db->prefix()."product_stock as ps on ps.rowid = pb.fk_product_stock";
@@ -889,7 +911,7 @@ class FormProduct
 					$i++;
 				}
 
-				return $num;
+				return $batch_count + $num;
 			} else {
 				dol_print_error($this->db);
 				return -1;