diff --git a/addons/account/models/partner.py b/addons/account/models/partner.py
index 2ae789a5327..950b350972a 100644
--- a/addons/account/models/partner.py
+++ b/addons/account/models/partner.py
@@ -71,7 +71,7 @@ class AccountFiscalPosition(models.Model):
             return taxes
         result = self.env['account.tax']
         for tax in taxes:
-            taxes_correspondance = self.tax_ids.filtered(lambda t: t.tax_src_id == tax)
+            taxes_correspondance = self.tax_ids.filtered(lambda t: t.tax_src_id == tax._origin)
             result |= taxes_correspondance.tax_dest_id if taxes_correspondance else tax
         return result