diff --git a/ext/custom-addons/dp_custom/models/account.py b/ext/custom-addons/dp_custom/models/account.py
index 6d63bffa..f0b92f00 100644
--- a/ext/custom-addons/dp_custom/models/account.py
+++ b/ext/custom-addons/dp_custom/models/account.py
@@ -85,7 +85,7 @@ class AccountInvoice(models.Model):
         for record in self:
             _sum = 0
             for line in record.invoice_line_ids:
-                _sum += line.weight * line.quantity
+                _sum += line.weight * line.quantity if not line.dealer_discount else 0.0
             record.weight_total = _sum
 
     @api.multi