diff --git a/addons/account/edi/invoice_action_data.xml b/addons/account/edi/invoice_action_data.xml
index 88073c7dff6..7cc4f4978f7 100644
--- a/addons/account/edi/invoice_action_data.xml
+++ b/addons/account/edi/invoice_action_data.xml
@@ -54,7 +54,7 @@
     comp_name = quote(object.company_id.name)
     inv_number = quote(object.number)
     paypal_account = quote(object.company_id.paypal_account)
-    inv_amount = quote(str(object.amount_total))
+    inv_amount = quote(str(object.residual))
     cur_name = quote(object.currency_id.name)
     paypal_url = "https://www.paypal.com/cgi-bin/webscr?cmd=_xclick&business=%s&item_name=%s%%20Invoice%%20%s&" \
                  "invoice=%s&amount=%s&currency_code=%s&button_subtype=services&no_note=1&bn=OpenERP_Invoice_PayNow_%s" % \
diff --git a/addons/portal_sale/portal_sale_data.xml b/addons/portal_sale/portal_sale_data.xml
index 72e64dc15bd..8239f1cbcca 100644
--- a/addons/portal_sale/portal_sale_data.xml
+++ b/addons/portal_sale/portal_sale_data.xml
@@ -155,7 +155,7 @@
     comp_name = quote(object.company_id.name)
     inv_number = quote(object.number)
     paypal_account = quote(object.company_id.paypal_account)
-    inv_amount = quote(str(object.amount_residual))
+    inv_amount = quote(str(object.residual))
     cur_name = quote(object.currency_id.name)
     paypal_url = "https://www.paypal.com/cgi-bin/webscr?cmd=_xclick&business=%s&item_name=%s%%20Invoice%%20%s&" \
                  "invoice=%s&amount=%s&currency_code=%s&button_subtype=services&no_note=1&bn=OpenERP_Invoice_PayNow_%s" % \