diff --git a/htdocs/install/mysql/migration/3.7.0-3.8.0.sql b/htdocs/install/mysql/migration/3.7.0-3.8.0.sql
index 2c0a788e446..ba5baf8b628 100755
--- a/htdocs/install/mysql/migration/3.7.0-3.8.0.sql
+++ b/htdocs/install/mysql/migration/3.7.0-3.8.0.sql
@@ -797,3 +797,4 @@ ALTER TABLE llx_societe_remise_except MODIFY COLUMN description text NOT NULL;
 update llx_opensurvey_sondage set format = 'D' where format = 'D+';
 update llx_opensurvey_sondage set format = 'A' where format = 'A+';
 
+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 62eaae22e6f..971b1cbd287 100644
--- a/htdocs/install/mysql/tables/llx_actioncomm.sql
+++ b/htdocs/install/mysql/tables/llx_actioncomm.sql
@@ -66,7 +66,7 @@ create table llx_actioncomm
   recurdateend      datetime,
      
   fk_element		integer DEFAULT NULL,
-  elementtype		varchar(32) DEFAULT NULL
+  elementtype		varchar(255) DEFAULT NULL
 
 )ENGINE=innodb;