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 20c1c1d0de3c720af309dad8d51dc202d56c89d7..14849e6fa9c742f0d8fc0c9070c442142ad71c42 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
@@ -438,6 +438,7 @@ ALTER TABLE llx_resource ADD COLUMN extraparams			varchar(255);
  
 ALTER TABLE llx_element_resources ADD COLUMN duree real;          -- total duration of using ressource
 
+UPDATE llx_element_resources SET resource_type = 'dolresource' WHERE resource_type = 'resource';
 
 CREATE TABLE llx_advtargetemailing
 (