diff --git a/addons/account/models/account_move.py b/addons/account/models/account_move.py
index 9ee01e8f251..034b412a35d 100644
--- a/addons/account/models/account_move.py
+++ b/addons/account/models/account_move.py
@@ -1222,7 +1222,7 @@ class AccountMoveLine(models.Model):
         """ Prepare the values used to create() an account.analytic.line upon validation of an account.move.line having
             an analytic account. This method is intended to be extended in other modules.
         """
-        amount = (self.credit or 0.0) - (self.debit or 0.0)
+        amount = (self.debit or 0.0) - (self.credit or 0.0)
         return {
             'name': self.name,
             'date': self.date,