diff --git a/addons/account/models/account_move.py b/addons/account/models/account_move.py
index 5cc899b9fad..285e8e6e843 100644
--- a/addons/account/models/account_move.py
+++ b/addons/account/models/account_move.py
@@ -830,7 +830,14 @@ class AccountMoveLine(models.Model):
 
         #if writeoff_acc_id specified, then create write-off move with value the remaining amount from move in self
         if writeoff_acc_id and writeoff_journal_id and remaining_moves:
-            writeoff_to_reconcile = remaining_moves._create_writeoff({'account_id': writeoff_acc_id.id, 'journal_id': writeoff_journal_id.id})
+            all_aml_share_same_currency = all([x.currency_id == self[0].currency_id for x in self])
+            writeoff_vals = {
+                'account_id': writeoff_acc_id.id,
+                'journal_id': writeoff_journal_id.id
+            }
+            if not all_aml_share_same_currency:
+                writeoff_vals['amount_currency'] = False
+            writeoff_to_reconcile = remaining_moves._create_writeoff(writeoff_vals)
             #add writeoff line to reconcile algo and finish the reconciliation
             remaining_moves = (remaining_moves + writeoff_to_reconcile).auto_reconcile_lines()