diff --git a/htdocs/install/mysql/migration/3.0.0-3.1.0.sql b/htdocs/install/mysql/migration/3.0.0-3.1.0.sql
index 1de2e5617aa..931a1e1c12f 100755
--- a/htdocs/install/mysql/migration/3.0.0-3.1.0.sql
+++ b/htdocs/install/mysql/migration/3.0.0-3.1.0.sql
@@ -484,4 +484,7 @@ ALTER TABLE llx_don ADD   phone           varchar(24) after email;
 ALTER TABLE llx_user ADD civilite varchar(6) after entity;
 
 ALTER TABLE llx_element_element MODIFY sourcetype varchar(32) NOT NULL;
-ALTER TABLE llx_element_element MODIFY targettype varchar(32) NOT NULL;
\ No newline at end of file
+ALTER TABLE llx_element_element MODIFY targettype varchar(32) NOT NULL;
+
+ALTER TABLE llx_societe_prices MODIFY tms timestamp NULL;
+-- ALTER TABLE llx_societe_prices ALTER COLUMN tms DROP NOT NULL;
diff --git a/htdocs/install/mysql/migration/3.1.0-3.2.0.sql b/htdocs/install/mysql/migration/3.1.0-3.2.0.sql
index aac272cb45a..d7d6c54e82a 100755
--- a/htdocs/install/mysql/migration/3.1.0-3.2.0.sql
+++ b/htdocs/install/mysql/migration/3.1.0-3.2.0.sql
@@ -17,4 +17,8 @@ ALTER TABLE llx_element_element MODIFY COLUMN sourcetype varchar(32) NOT NULL;
 ALTER TABLE llx_element_element MODIFY COLUMN targettype varchar(32) NOT NULL;
 
 ALTER TABLE llx_user MODIFY ref_ext varchar(50);
-ALTER TABLE llx_user ADD COLUMN ref_int varchar(50) AFTER ref_ext;
\ No newline at end of file
+ALTER TABLE llx_user ADD COLUMN ref_int varchar(50) AFTER ref_ext;
+
+ALTER TABLE llx_societe MODIFY code_client varchar(24);
+ALTER TABLE llx_societe MODIFY code_fournisseur varchar(24);
+
diff --git a/htdocs/install/mysql/tables/llx_societe.sql b/htdocs/install/mysql/tables/llx_societe.sql
index ccccaea6640..d78d9218323 100644
--- a/htdocs/install/mysql/tables/llx_societe.sql
+++ b/htdocs/install/mysql/tables/llx_societe.sql
@@ -36,8 +36,8 @@ create table llx_societe
 
   status            	   tinyint DEFAULT 1,					        -- cessation d'activité ( 1 -- en activité, 0 -- cessation d'activité)						
 
-  code_client              varchar(15),                         		-- code client
-  code_fournisseur         varchar(15),                         		-- code founisseur
+  code_client              varchar(24),                         		-- code client
+  code_fournisseur         varchar(24),                         		-- code founisseur
   code_compta              varchar(15),                         		-- code compta client
   code_compta_fournisseur  varchar(15),                         		-- code compta founisseur
   address                  varchar(255),                        		-- company adresse
diff --git a/htdocs/install/mysql/tables/llx_societe_prices.sql b/htdocs/install/mysql/tables/llx_societe_prices.sql
index a52b19c1b5b..3465358a259 100644
--- a/htdocs/install/mysql/tables/llx_societe_prices.sql
+++ b/htdocs/install/mysql/tables/llx_societe_prices.sql
@@ -20,7 +20,7 @@ create table llx_societe_prices
 (
   rowid              integer AUTO_INCREMENT PRIMARY KEY,
   fk_soc             integer   DEFAULT 0,
-  tms                timestamp NOT NULL, 
+  tms                timestamp, 
   datec	             datetime,
   fk_user_author     integer,
   price_level        tinyint   DEFAULT 1