diff --git a/htdocs/install/mysql/migration/2.7.0-2.8.0.sql b/htdocs/install/mysql/migration/2.7.0-2.8.0.sql
index ead8699f833..b5f309860c3 100755
--- a/htdocs/install/mysql/migration/2.7.0-2.8.0.sql
+++ b/htdocs/install/mysql/migration/2.7.0-2.8.0.sql
@@ -124,6 +124,7 @@ ALTER TABLE llx_projet_task MODIFY description text;
 ALTER TABLE llx_projet_task MODIFY duration_effective real DEFAULT 0 NOT NULL;
 ALTER TABLE llx_projet_task ADD COLUMN progress	integer	DEFAULT 0 AFTER duration_effective;
 ALTER TABLE llx_projet_task ADD COLUMN priority	integer	DEFAULT 0 AFTER progress;
+ALTER TABLE llx_projet_task ADD COLUMN fk_milestone     integer DEFAULT 0 AFTER priority;
 ALTER TABLE llx_projet_task ADD COLUMN fk_user_modif integer AFTER fk_user_creat;
 ALTER TABLE llx_projet_task ADD COLUMN fk_user_valid integer AFTER fk_user_modif;
 UPDATE llx_projet_task SET statut='1' WHERE statut='open';