diff --git a/source/app/models/main.py b/source/app/models/main.py
index a62f82b..f95dcd2 100644
--- a/source/app/models/main.py
+++ b/source/app/models/main.py
@@ -1308,10 +1308,11 @@ class Facturas(BaseModel):
             FacturasDetalle.create(**product)
             for tax in p.impuestos:
                 if tax.id in totals_tax:
-                    totals_tax[tax.id]['importe'] += product['importe']
+                    totals_tax[tax.id].importe += product['importe']
                 else:
                     tax.importe = product['importe']
                     totals_tax[tax.id] = tax
+                    #~ totals_tax[tax.id]['importe'] = product['importe']
 
         for tax in totals_tax.values():
             if tax.tipo == 'E' or tax.tipo == 'R':