diff --git a/htdocs/install/mysql/migration/13.0.0-14.0.0.sql b/htdocs/install/mysql/migration/13.0.0-14.0.0.sql
index d7aa335a4b2..0097bcca16d 100644
--- a/htdocs/install/mysql/migration/13.0.0-14.0.0.sql
+++ b/htdocs/install/mysql/migration/13.0.0-14.0.0.sql
@@ -32,6 +32,11 @@
 
 -- Missing in v13 or lower
 
+-- VMYSQL4.1 SET sql_mode = 'ALLOW_INVALID_DATES';
+-- VMYSQL4.1 update llx_propal set tms = datec where DATE(STR_TO_DATE(tms, '%Y-%m-%d')) IS NULL;
+-- VMYSQL4.1 SET sql_mode = 'NO_ZERO_DATE';
+-- VMYSQL4.1 update llx_propal set tms = null where DATE(STR_TO_DATE(tms, '%Y-%m-%d')) IS NULL;
+
 ALTER TABLE llx_ecm_files ADD COLUMN note_private text AFTER fk_user_m;
 ALTER TABLE llx_ecm_files ADD COLUMN note_public text AFTER note_private;
 
@@ -492,7 +497,7 @@ ALTER TABLE llx_payment_donation ADD COLUMN ext_payment_id  varchar(128) AFTER n
 -- Rebuild sequence for postgres only after query INSERT INTO llx_salary(rowid, ...
 -- VPGSQL8.2 SELECT dol_util_rebuild_sequences();
 
-UPDATE llx_const SET type = 'chaine', value = __ENCRYPT('github')__ WHERE __DECRYPT('name')__ = 'MAIN_BUGTRACK_ENABLELINK' AND __DECRYPT('value')__ = 1;
+UPDATE llx_const SET type = 'chaine', value = __ENCRYPT('github')__ WHERE __DECRYPT('name')__ = 'MAIN_BUGTRACK_ENABLELINK' AND __DECRYPT('value')__ = '1';
 
 ALTER TABLE llx_facture_fourn_det ADD COLUMN fk_remise_except integer DEFAULT NULL after remise_percent;
 ALTER TABLE llx_facture_fourn_det ADD UNIQUE INDEX uk_fk_remise_except (fk_remise_except, fk_facture_fourn);