diff --git a/htdocs/cashdesk/sql/llx_tmp_caisse.sql b/htdocs/cashdesk/sql/llx_tmp_caisse.sql
index eee361c969f..d6c65dc0ce1 100644
--- a/htdocs/cashdesk/sql/llx_tmp_caisse.sql
+++ b/htdocs/cashdesk/sql/llx_tmp_caisse.sql
@@ -9,7 +9,7 @@ CREATE TABLE `llx_tmp_caisse` (
   `id` int(11) NOT NULL auto_increment,
   `fk_article` tinyint(4) NOT NULL,
   `qte` int(11) NOT NULL,
-  `fk_tva` int(4) NOT NULL,
+  `fk_tva` int(11) NOT NULL,
   `remise_percent` int(11) NOT NULL,
   `remise` float NOT NULL,
   `total_ht` float NOT NULL,
diff --git a/mysql/migration/2.6.0-2.7.0.sql b/mysql/migration/2.6.0-2.7.0.sql
index fc54a2260da..36782d532cd 100644
--- a/mysql/migration/2.6.0-2.7.0.sql
+++ b/mysql/migration/2.6.0-2.7.0.sql
@@ -6,7 +6,7 @@
 -- when current version is 2.6.0 or higher. 
 --
 
-drop table llx_tmp_caisse;
+alter table llx_tmp_caisse modify fk_tva int(11) NOT NULL;
 
 drop table llx_facture_stats;
 drop table llx_stock_valorisation;