diff --git a/addons/account_voucher/account_voucher_view.xml b/addons/account_voucher/account_voucher_view.xml
index 343211c264b..b089825da9b 100644
--- a/addons/account_voucher/account_voucher_view.xml
+++ b/addons/account_voucher/account_voucher_view.xml
@@ -223,7 +223,7 @@
             name="Pay Invoice"
             view_mode="form,tree"
             domain="[('partner_id', '=', partner_id)]"
-            context="{'default_partner_id': partner_id, 'default_amount':amount_total, 'default_name':name, 'default_state': 'draft', 'invoice_type':type, 'default_type': type in ('out_invoice','out_refund') and 'receipt' or 'payment'}"
+            context="{'default_partner_id': partner_id, 'default_amount':residual, 'default_name':name, 'default_state': 'draft', 'invoice_type':type, 'default_type': type in ('out_invoice','out_refund') and 'receipt' or 'payment'}"
             res_model="account.voucher"
             src_model="account.invoice"/>