diff --git a/addons/account/models/account_move.py b/addons/account/models/account_move.py
index bd36ec6d733..08e625752c8 100644
--- a/addons/account/models/account_move.py
+++ b/addons/account/models/account_move.py
@@ -1193,7 +1193,8 @@ class AccountMoveLine(models.Model):
         amount_currency = False
         currency_id = False
         date = self.env.context.get('date') or fields.Date.today()
-        company = self.env.context.get('company_id', self.env.user.company_id)
+        company = self.env.context.get('company_id')
+        company = self.env['res.company'].browse(company) if company else self.env.user.company_id
         if src_currency and src_currency != company_currency:
             amount_currency = amount
             amount = src_currency._convert(amount, company_currency, company, date)