diff --git a/htdocs/install/mysql/migration/3.9.0-4.0.0.sql b/htdocs/install/mysql/migration/3.9.0-4.0.0.sql
index b91c50fd05d..c30a3da50f0 100644
--- a/htdocs/install/mysql/migration/3.9.0-4.0.0.sql
+++ b/htdocs/install/mysql/migration/3.9.0-4.0.0.sql
@@ -322,3 +322,4 @@ ALTER TABLE llx_expensereport_det ADD COLUMN multicurrency_total_ttc double(24,8
 
 ALTER TABLE llx_product_lang ADD COLUMN import_key varchar(14) DEFAULT NULL;
 
+ALTER TABLE llx_actioncomm MODIFY COLUMN elementtype varchar(255) DEFAULT NULL;
\ No newline at end of file
diff --git a/htdocs/install/mysql/tables/llx_actioncomm.sql b/htdocs/install/mysql/tables/llx_actioncomm.sql
index b2f0ecc6920..48b96aee95a 100644
--- a/htdocs/install/mysql/tables/llx_actioncomm.sql
+++ b/htdocs/install/mysql/tables/llx_actioncomm.sql
@@ -69,7 +69,7 @@ create table llx_actioncomm
   recurdateend      datetime,
      
   fk_element		integer DEFAULT NULL,
-  elementtype		varchar(32) DEFAULT NULL
+  elementtype		varchar(255) DEFAULT NULL
 
 )ENGINE=innodb;