diff --git a/pkg/dashboard.go b/pkg/dashboard.go
index e1877d9..f813192 100644
--- a/pkg/dashboard.go
+++ b/pkg/dashboard.go
@@ -23,7 +23,7 @@ func ServeDashboard(w http.ResponseWriter, r *http.Request, _ httprouter.Params)
 		     , to_price(coalesce(expense.total, 0), decimal_digits) as expenses
 		     , to_price(coalesce(tax.vat, 0), decimal_digits) as vat
 		     , to_price(coalesce(tax.irpf, 0), decimal_digits) as irpf
-		     , to_price(coalesce(invoice.total - expense.total - tax.vat + tax.irpf, 0), decimal_digits) as net_income
+		     , to_price(coalesce(invoice.total, 0) - coalesce(expense.total, 0) - coalesce(tax.vat, 0) + coalesce(tax.irpf, 0), decimal_digits) as net_income
 		from company
 		    left join (
 		        select company_id, sum(total)::integer as total