diff --git a/src/PaymentServer/Processors/Stripe.hs b/src/PaymentServer/Processors/Stripe.hs
index 8caef6e85bda6313da43e98ab577e2a63fc73a10..57137eda62fd1e9437607a15f47546f93b1cb603 100644
--- a/src/PaymentServer/Processors/Stripe.hs
+++ b/src/PaymentServer/Processors/Stripe.hs
@@ -143,7 +143,7 @@ instance FromJSON Charges where
   parseJSON (Object v) = Charges <$>
                          v .: "token" <*>
                          v .: "voucher" <*>
-                         v .: "amount" <*>
+                         (read <$> v .: "amount") <*>
                          v .: "currency"
   parseJSON _ = mzero