diff --git a/addons/payment_acquirer/models/payment_acquirer.py b/addons/payment_acquirer/models/payment_acquirer.py
index b88601e88f5..3bf18b64be0 100644
--- a/addons/payment_acquirer/models/payment_acquirer.py
+++ b/addons/payment_acquirer/models/payment_acquirer.py
@@ -107,7 +107,7 @@ class PaymentAcquirer(osv.Model):
         acquirer = self.browse(cr, uid, id, context=context)
 
         if tx_id:
-            tx = self.browse(cr, uid, id, context=context)
+            tx = self.pool.get('payment.transaction').browse(cr, uid, tx_id, context=context)
             tx_data = {
                 'reference': tx.reference,
                 'amount': tx.amount,
diff --git a/addons/payment_acquirer_paypal/models/paypal.py b/addons/payment_acquirer_paypal/models/paypal.py
index 8a9fac7cc46..32e17711bef 100644
--- a/addons/payment_acquirer_paypal/models/paypal.py
+++ b/addons/payment_acquirer_paypal/models/paypal.py
@@ -213,7 +213,7 @@ class TxPaypal(osv.Model):
             return tx.write(data)
         elif status in ['Pending', 'Expired']:
             _logger.info('Received notification for Paypal payment %s: set as pending' % (tx.reference))
-            data.udpate(state='pending', state_message=data.get('pending_reason', ''))
+            data.update(state='pending', state_message=data.get('pending_reason', ''))
             return tx.write(data)
         else:
             error = 'Received unrecognized status for Paypal payment %s: %s, set as error' % (tx.reference, status)