killbill-aplcache

diff --git a/invoice/src/main/resources/org/killbill/billing/invoice/ddl.sql b/invoice/src/main/resources/org/killbill/billing/invoice/ddl.sql
index 1caf4a3..9e895a5 100644
--- a/invoice/src/main/resources/org/killbill/billing/invoice/ddl.sql
+++ b/invoice/src/main/resources/org/killbill/billing/invoice/ddl.sql
@@ -70,7 +70,7 @@ CREATE TABLE invoice_payments (
     PRIMARY KEY(record_id)
 ) /*! CHARACTER SET utf8 COLLATE utf8_bin */;
 CREATE UNIQUE INDEX invoice_payments_id ON invoice_payments(id);
-CREATE UNIQUE INDEX invoice_payments ON invoice_payments(payment_id, type);
+CREATE UNIQUE INDEX idx_invoice_payments ON invoice_payments(payment_id, type);
 CREATE INDEX invoice_payments_invoice_id ON invoice_payments(invoice_id);
 CREATE INDEX invoice_payments_reversals ON invoice_payments(linked_invoice_payment_id);
 CREATE INDEX invoice_payments_tenant_account_record_id ON invoice_payments(tenant_record_id, account_record_id);