diff --git a/mangopay/resources.py b/mangopay/resources.py
index 40204f5..71a611b 100644
--- a/mangopay/resources.py
+++ b/mangopay/resources.py
@@ -1488,6 +1488,7 @@ class Refund(BaseModel):
     initial_transaction_type = CharField(api_name='InitialTransactionType', choices=constants.TRANSACTION_TYPE_CHOICES,
                                          default=None)
     reference = CharField(api_name='Reference')
+    statement_descriptor = CharField(api_name='StatementDescriptor')
 
     class Meta:
         verbose_name = 'refund'
@@ -1524,6 +1525,7 @@ class PayInRefund(Refund):
     fees = MoneyField(api_name='Fees')
     payin = ForeignKeyField(PayIn)
     reference = CharField(api_name='Reference')
+    statement_descriptor = CharField(api_name='StatementDescriptor')
 
     class Meta:
         verbose_name = 'refund'
diff --git a/tests/test_refunds.py b/tests/test_refunds.py
index 0ebe066..f7951d7 100644
--- a/tests/test_refunds.py
+++ b/tests/test_refunds.py
@@ -403,7 +403,8 @@ def test_create_payin_refund(self):
 
         params = {
             "author": self.card.user,
-            "payin": direct_payin
+            "payin": direct_payin,
+            "statement_descriptor": "My descriptor"
         }
         payin_refund = PayInRefund(**params)