diff --git a/addons/payment_paypal/models/payment.py b/addons/payment_paypal/models/payment.py
index fb12cabdc50..f83129749a9 100644
--- a/addons/payment_paypal/models/payment.py
+++ b/addons/payment_paypal/models/payment.py
@@ -86,7 +86,7 @@ class AcquirerPaypal(models.Model):
         else:
             percentage = self.fees_int_var
             fixed = self.fees_int_fixed
-        fees = (percentage / 100.0 * amount + fixed) / (1 - percentage / 100.0)
+        fees = (percentage / 100.0 * amount) + fixed / (1 - percentage / 100.0)
         return fees
 
     @api.multi