diff --git a/osi_quote_downpayment/models/account_move.py b/osi_quote_downpayment/models/account_move.py
index 4c2e40ea..bd6a8754 100644
--- a/osi_quote_downpayment/models/account_move.py
+++ b/osi_quote_downpayment/models/account_move.py
@@ -10,13 +10,13 @@ class AccountMove(models.Model):
     #Prevents price of downpayment from being reset on draft sale orders
     def action_post(self):
         downpayment_lines = {}
-        for rec in records:
+        for rec in self:
             downpayment_lines[rec.id] = {}
             for line in rec.invoice_line_ids:
                 if "Down payment" in line.name:
                     downpayment_lines[rec.id][line.id] = line.price_unit
         res = super().action_post()
-        for rec in records:
+        for rec in self:
             for line in rec.invoice_line_ids:
                 if "Down payment" in line.name:
                     downpayment_lines[rec.id][line.id] = line.price_unit
diff --git a/osi_quote_downpayment/views/sale_order_views.xml b/osi_quote_downpayment/views/sale_order_views.xml
index 32137e07..17acb8d6 100644
--- a/osi_quote_downpayment/views/sale_order_views.xml
+++ b/osi_quote_downpayment/views/sale_order_views.xml
@@ -7,7 +7,7 @@
         <field name="inherit_id" ref="sale.view_order_form" />
         <field name="arch" type="xml">
             <xpath expr="//button[@id='create_invoice']" position="attributes">
-               <attribute name="invisible">invoice_status != 'to invoice' or state in ['draft', 'sent']</attibute>
+               <attribute name="invisible">invoice_status != 'to invoice' and state not in ['draft', 'sent']</attribute>
             </xpath>
         </field>
     </record>
diff --git a/osi_quote_downpayment/wizards/sale_make_invoice_advance_views.xml b/osi_quote_downpayment/wizards/sale_make_invoice_advance_views.xml
index da9dc9df..d5c3ebd7 100644
--- a/osi_quote_downpayment/wizards/sale_make_invoice_advance_views.xml
+++ b/osi_quote_downpayment/wizards/sale_make_invoice_advance_views.xml
@@ -8,7 +8,7 @@
         <field name="inherit_id" ref="sale.view_sale_advance_payment_inv" />
         <field name="arch" type="xml">
             <xpath expr="//field[@name='advance_payment_method']" position="after">
-               <field name="deduct_down_payments" invisible="advance_payment_method != 'delivered'"/>
+               <field name="deduct_down_payments" invisible="advance_payment_method == 'delivered'"/>
             </xpath>
         </field>
     </record>