diff --git a/models/hr_expense_realization.py b/models/hr_expense_realization.py
index 17da95f..1752ec5 100644
--- a/models/hr_expense_realization.py
+++ b/models/hr_expense_realization.py
@@ -229,6 +229,13 @@ class HrExpenseRealization(models.Model):
         if not partner:
             raise UserError(_("Employee must have a work contact to register a payment."))
 
+        # Find the correct account to clear from the realization's journal entry
+        expense_account_id = False
+        if self.move_id:
+            balancing_line = self.move_id.line_ids.filtered(lambda l: l.account_id.code in ('114101', '216109'))
+            if balancing_line:
+                expense_account_id = balancing_line[0].account_id.id
+
         return {
             'name': _('Register Payment'),
             'type': 'ir.actions.act_window',
@@ -242,6 +249,7 @@ class HrExpenseRealization(models.Model):
                 'default_amount': abs(self.discrepancy_amount),
                 'default_ref': f"Realization Balance: {self.name}",
                 'default_realization_id': self.id,
+                'default_expense_account_id': expense_account_id, # Required when applying deductions (vendor_payment_diff_amount)
             }
         }