diff --git a/addons/account/models/account_move.py b/addons/account/models/account_move.py
index 6d9a2400e9a..3aab065ed2c 100644
--- a/addons/account/models/account_move.py
+++ b/addons/account/models/account_move.py
@@ -1780,6 +1780,8 @@ class AccountMove(models.Model):
         default = dict(default or {})
         if (fields.Date.to_date(default.get('date')) or self.date) <= self.company_id._get_user_fiscal_lock_date():
             default['date'] = self.company_id._get_user_fiscal_lock_date() + timedelta(days=1)
+        if self.move_type == 'entry':
+            default['partner_id'] = False
         return super(AccountMove, self).copy(default)
 
     @api.model_create_multi