diff --git a/app/api/helpers/payment.py b/app/api/helpers/payment.py
index 276bc4b4e0..1f443a14b0 100644
--- a/app/api/helpers/payment.py
+++ b/app/api/helpers/payment.py
@@ -211,6 +211,7 @@ def verify_payment(payment_id, order):
         """
         Verify Paypal payment one more time for paying with Paypal in mobile client
         """
+        PayPalPaymentsManager.configure_paypal()
         try:
             payment_server = paypalrestsdk.Payment.find(payment_id)
             if payment_server.state != 'approved':
@@ -226,7 +227,7 @@ def verify_payment(payment_id, order):
                 return False, 'Payment amount does not match order'
             elif currency_server != order.event.payment_currency:
                 return False, 'Payment currency does not match order'
-            if sale_state != 'completed':
+            elif sale_state != 'completed':
                 return False, 'Sale not completed'
             elif PayPalPaymentsManager.used_payment(payment_id, order):
                 return False, 'Payment already been verified'