diff --git a/migrations/000.140.sql b/migrations/000.140.sql
new file mode 100644
index 0000000..1b0532a
--- /dev/null
+++ b/migrations/000.140.sql
@@ -0,0 +1,3 @@
+-- P5-4476 Contract customers with default invoice gets KCO
+
+UPDATE contract_customers SET payment_type = 'invoice' WHERE payment_type IS NULL;
\ No newline at end of file