diff --git a/sql/mode_paiement.sql b/sql/mode_paiement.sql
new file mode 100644
index 000000000..5a772513b
--- /dev/null
+++ b/sql/mode_paiement.sql
@@ -0,0 +1,13 @@
+-- Mode de paiement par journaux
+
+
+alter table mod_payment add jrn_def_id bigint;
+update mod_payment set jrn_def_id=2 where mp_type='VEN';
+update mod_payment set jrn_def_id=3 where mp_type='ACH';
+
+alter table mod_payment drop mp_type;
+
+
+alter table mod_payment add constraint foreign key (jrn_def_id) references jrn_def(jrn_def_id);
+
+comment on column mod_payment.jrn_def_id is 'Ledger using this payment method';