diff --git a/apps/pg/models.py b/apps/pg/models.py
index 2560397..68589c6 100644
--- a/apps/pg/models.py
+++ b/apps/pg/models.py
@@ -130,7 +130,7 @@ class PaymentRequest(models.Model):
                 "payee_type": 1,
                 "amount": self.amount,
                 "details": {
-                    'description': _("charge via ipg"),
+                    'description': str(_("charge via ipg")),
                     'reference_id': str(self.uuid),
                     'application_details_url': ''
                 },