diff --git a/extension-iap/src/iap_ios.mm b/extension-iap/src/iap_ios.mm
index 1323c8f..1fdc4d1 100644
--- a/extension-iap/src/iap_ios.mm
+++ b/extension-iap/src/iap_ios.mm
@@ -261,7 +261,6 @@ static void CopyTransaction(SKPaymentTransaction* transaction, IAPTransaction* o
 
     out->ident = strdup([transaction.payment.productIdentifier UTF8String]);
 
-
     if (transaction.transactionDate)
         out->date  = strdup([[dateFormatter stringFromDate: transaction.transactionDate] UTF8String]);
     out->state = transaction.transactionState;
@@ -274,9 +273,15 @@ static void CopyTransaction(SKPaymentTransaction* transaction, IAPTransaction* o
     if (transaction.transactionState == SKPaymentTransactionStatePurchased) {
         NSURL *receiptURL = [[NSBundle mainBundle] appStoreReceiptURL];
         NSData *receiptData = [NSData dataWithContentsOfURL:receiptURL];
-        out->receipt_length = receiptData.length;
+
+        NSString *receiptString = [receiptData base64EncodedStringWithOptions:0];
+        out->receipt_length = receiptString.length;
         out->receipt = (const char*)malloc(out->receipt_length);
-        memcpy((void*)out->receipt, receiptData.bytes, out->receipt_length);
+        memcpy((void*)out->receipt, [receiptString UTF8String], out->receipt_length);
+
+        // out->receipt_length = receiptData.length;
+        // out->receipt = (const char*)malloc(out->receipt_length);
+        // memcpy((void*)out->receipt, receiptData.bytes, out->receipt_length);
     }
 
     if (transaction.transactionState == SKPaymentTransactionStateRestored && transaction.originalTransaction) {