diff --git a/htdocs/install/mysql/migration/16.0.0-17.0.0.sql b/htdocs/install/mysql/migration/16.0.0-17.0.0.sql
index bef3e07e910..0b4b773be40 100644
--- a/htdocs/install/mysql/migration/16.0.0-17.0.0.sql
+++ b/htdocs/install/mysql/migration/16.0.0-17.0.0.sql
@@ -55,6 +55,8 @@ ALTER TABLE llx_user DROP COLUMN idpers3;
 
 -- v17
 
+ALTER TABLE llx_actioncomm ADD INDEX idx_actioncomm_percent (percent);
+
 UPDATE llx_c_paiement SET code = 'BANCON' WHERE code = 'BAN' AND libelle = 'Bancontact';
 
 -- VMYSQL4.3 ALTER TABLE llx_partnership MODIFY COLUMN fk_user_creat integer NULL;
diff --git a/htdocs/install/mysql/tables/llx_actioncomm.key.sql b/htdocs/install/mysql/tables/llx_actioncomm.key.sql
index ee16386c7c4..944471620ae 100644
--- a/htdocs/install/mysql/tables/llx_actioncomm.key.sql
+++ b/htdocs/install/mysql/tables/llx_actioncomm.key.sql
@@ -27,5 +27,6 @@ ALTER TABLE llx_actioncomm ADD INDEX idx_actioncomm_datep (datep);
 ALTER TABLE llx_actioncomm ADD INDEX idx_actioncomm_datep2 (datep2);
 ALTER TABLE llx_actioncomm ADD INDEX idx_actioncomm_recurid (recurid);
 ALTER TABLE llx_actioncomm ADD INDEX idx_actioncomm_ref_ext (ref_ext);
+ALTER TABLE llx_actioncomm ADD INDEX idx_actioncomm_percent (percent);
 
 ALTER TABLE llx_actioncomm ADD UNIQUE INDEX uk_actioncomm_ref (ref, entity);