diff --git a/htdocs/install/mysql/migration/3.2.0-3.3.0.sql b/htdocs/install/mysql/migration/3.2.0-3.3.0.sql
index 261d319a958..61735acebe6 100755
--- a/htdocs/install/mysql/migration/3.2.0-3.3.0.sql
+++ b/htdocs/install/mysql/migration/3.2.0-3.3.0.sql
@@ -34,7 +34,6 @@ ALTER TABLE llx_societe ADD COLUMN idprof6 varchar(128) after idprof5;
 ALTER TABLE llx_societe DROP COLUMN fk_secteur;
 ALTER TABLE llx_societe DROP COLUMN description;
 ALTER TABLE llx_societe DROP COLUMN services;
-ALTER TABLE llx_societe MODIFY COLUMN ref_ext varchar(128);
 
 ALTER TABLE llx_bank ADD COLUMN tms timestamp after datec;
   
diff --git a/htdocs/install/mysql/tables/llx_societe.sql b/htdocs/install/mysql/tables/llx_societe.sql
index f0a57d0bb3f..de753f26bbd 100644
--- a/htdocs/install/mysql/tables/llx_societe.sql
+++ b/htdocs/install/mysql/tables/llx_societe.sql
@@ -25,7 +25,7 @@ create table llx_societe
   nom                      varchar(60),                                 -- company reference name
   entity                   integer DEFAULT 1 NOT NULL,                  -- multi company id
 
-  ref_ext                  varchar(128),                                 -- reference into an external system (not used by dolibarr)
+  ref_ext                  varchar(60),                                 -- reference into an external system (not used by dolibarr)
   ref_int                  varchar(60),                                 -- reference into an internal system (used by dolibarr)
 
   statut                   tinyint        DEFAULT 0,            		-- statut