diff --git a/htdocs/install/mysql/data/llx_const.sql b/htdocs/install/mysql/data/llx_const.sql
index 95dfb2683f9..ae452f85bf8 100644
--- a/htdocs/install/mysql/data/llx_const.sql
+++ b/htdocs/install/mysql/data/llx_const.sql
@@ -33,6 +33,7 @@
 -- Visible in misc page
 insert into llx_const (name, value, type, note, visible, entity) values ('MAIN_NOT_INSTALLED','1','chaine','Setup is running',1,0);
 insert into llx_const (name, value, type, note, visible, entity) values ('MAIN_FEATURES_LEVEL','0','chaine','Level of features to show: -1=stable+deprecated, 0=stable only (default), 1=stable+experimental, 2=stable+experimental+development',1,0);
+insert into llx_const (name, value, type, note, visible, entity) values ('MAIN_LOGTOHTML','0','chaine','If this constants is defined, it is possible to have logs inside pages by adding the parameter &logtohtml=1',1,0);
 insert into llx_const (name, value, type, note, visible, entity) values ('MAILING_LIMIT_SENDBYWEB','25','chaine','Number of targets to defined packet size when sending mass email',1,0);
 
 -- Hidden and common to all entities
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 c08d6ae6186..c6e8606c28f 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
@@ -35,3 +35,5 @@ ALTER TABLE llx_overwrite_trans ADD UNIQUE INDEX uk_overwrite_trans(lang, transk
 
 ALTER TABLE llx_cronjob MODIFY COLUMN unitfrequency	varchar(255) NOT NULL DEFAULT '3600';
 
+ALTER TABLE llx_facture ADD INDEX idx_facture_fk_statut (fk_statut);
+
diff --git a/htdocs/install/mysql/tables/llx_facture.key.sql b/htdocs/install/mysql/tables/llx_facture.key.sql
index fd687e9d827..b0755bf5d94 100644
--- a/htdocs/install/mysql/tables/llx_facture.key.sql
+++ b/htdocs/install/mysql/tables/llx_facture.key.sql
@@ -28,6 +28,7 @@ ALTER TABLE llx_facture ADD INDEX idx_facture_fk_facture_source (fk_facture_sour
 ALTER TABLE llx_facture ADD INDEX idx_facture_fk_projet (fk_projet);
 ALTER TABLE llx_facture ADD INDEX idx_facture_fk_account (fk_account);
 ALTER TABLE llx_facture ADD INDEX idx_facture_fk_currency (fk_currency);
+ALTER TABLE llx_facture ADD INDEX idx_facture_fk_statut (fk_statut);
 
 ALTER TABLE llx_facture ADD CONSTRAINT fk_facture_fk_soc            FOREIGN KEY (fk_soc) REFERENCES llx_societe (rowid);
 ALTER TABLE llx_facture ADD CONSTRAINT fk_facture_fk_user_author    FOREIGN KEY (fk_user_author) REFERENCES llx_user (rowid);