diff --git a/mysql/migration/0.3.0-0.4.0.sql b/mysql/migration/0.3.0-0.4.0.sql
index 08e81ea8aab..a4f8eee28f4 100644
--- a/mysql/migration/0.3.0-0.4.0.sql
+++ b/mysql/migration/0.3.0-0.4.0.sql
@@ -10,7 +10,7 @@ create table llx_contrat
 (
   rowid           integer AUTO_INCREMENT PRIMARY KEY,
   tms             timestamp,
-  enservice       tinyint,
+  enservice       smallint default 0,
   mise_en_service datetime,
   fin_validite    datetime,
   date_cloture    datetime,
@@ -21,3 +21,4 @@ create table llx_contrat
   fk_user_mise_en_service integer NOT NULL,
   fk_user_cloture integer NOT NULL
 );
+