diff --git a/tailbone_quickbooks/views/quickbooks/invoices.py b/tailbone_quickbooks/views/quickbooks/invoices.py
index 6ff8467..98d9ca5 100644
--- a/tailbone_quickbooks/views/quickbooks/invoices.py
+++ b/tailbone_quickbooks/views/quickbooks/invoices.py
@@ -147,8 +147,10 @@ class ExportableInvoiceView(MasterView):
         g.set_sort_defaults('invoice_date', 'desc')
         g.set_link('invoice_date')
 
-        # invoice_total
+        # currency fields
         g.set_type('invoice_total', 'currency')
+        g.set_type('shipping_amount', 'currency')
+        g.set_type('supplies_amount', 'currency')
 
         # status_code
         g.set_enum('status_code', model.QuickbooksExportableInvoice.STATUS)
@@ -212,8 +214,10 @@ class ExportableInvoiceView(MasterView):
         # vendor
         f.set_renderer('vendor', self.render_vendor)
 
-        # invoice_total
+        # currency fields
         f.set_type('invoice_total', 'currency')
+        f.set_type('shipping_amount', 'currency')
+        f.set_type('supplies_amount', 'currency')
 
         # status
         f.set_enum('status_code', model.QuickbooksExportableInvoice.STATUS)