diff --git a/htdocs/install/mysql/migration/13.0.0-14.0.0.sql b/htdocs/install/mysql/migration/13.0.0-14.0.0.sql
index af32340170e..3c1fce2d001 100644
--- a/htdocs/install/mysql/migration/13.0.0-14.0.0.sql
+++ b/htdocs/install/mysql/migration/13.0.0-14.0.0.sql
@@ -359,3 +359,7 @@ ALTER TABLE llx_propal ADD CONSTRAINT fk_propal_fk_user_signature FOREIGN KEY (f
 
 UPDATE llx_propal SET fk_user_signature = fk_user_cloture WHERE fk_user_signature IS NULL AND fk_user_cloture IS NOT NULL;
 UPDATE llx_propal SET date_signature = date_cloture WHERE date_signature IS NULL AND date_cloture IS NOT NULL;
+
+ALTER TABLE llx_product ADD COLUMN batch_mask VARCHAR(32) NULL;
+
+
diff --git a/htdocs/install/mysql/tables/llx_product.sql b/htdocs/install/mysql/tables/llx_product.sql
index 2431c884c62..da8c2ff693c 100644
--- a/htdocs/install/mysql/tables/llx_product.sql
+++ b/htdocs/install/mysql/tables/llx_product.sql
@@ -51,7 +51,7 @@ create table llx_product
   recuperableonly               integer NOT NULL DEFAULT '0',       -- French NPR VAT
   localtax1_tx                  double(6,3)  DEFAULT 0,
   localtax1_type                varchar(10)  NOT NULL DEFAULT '0',
-  localtax2_tx                  double(6,3)  DEFAULT 0, 
+  localtax2_tx                  double(6,3)  DEFAULT 0,
   localtax2_type                varchar(10)  NOT NULL DEFAULT '0',
   fk_user_author                integer DEFAULT NULL,               -- user making creation
   fk_user_modif                 integer,                            -- user making last change
@@ -59,6 +59,7 @@ create table llx_product
   tobuy                         tinyint      DEFAULT 1,             -- Product you buy
   onportal                      tinyint      DEFAULT 0,	            -- If it is a product you sell and you want to sell it on portal (module website must be on)
   tobatch                       tinyint      DEFAULT 0 NOT NULL,    -- Is it a product that need a batch management (eat-by or lot management)
+  batch_mask			        varchar(32),                        -- If the product has batch feature, you may want to use a batch mask per product
   fk_product_type               integer      DEFAULT 0,             -- Type of product: 0 for regular product, 1 for service, 9 for other (used by external module)
   duration                      varchar(6),
   seuil_stock_alerte            float      DEFAULT NULL,