diff --git a/paymentintent.go b/paymentintent.go
index ba7335766c..103f7f5364 100644
--- a/paymentintent.go
+++ b/paymentintent.go
@@ -46,7 +46,7 @@ type PaymentIntentParams struct {
 	AllowedSourceTypes   []*string                        `form:"allowed_source_types"`
 	Amount               *int64                           `form:"amount"`
 	ApplicationFee       *int64                           `form:"application_fee"`
-	AttemptConfirmation  *string                          `form:"attempt_confirmation"`
+	AttemptConfirmation  *bool                            `form:"attempt_confirmation"`
 	CaptureMethod        *string                          `form:"capture_method"`
 	Currency             *string                          `form:"currency"`
 	Customer             *string                          `form:"customer"`
@@ -142,7 +142,7 @@ type PaymentIntent struct {
 	ReceiptEmail        string                          `json:"receipt_email"`
 	ReturnURL           string                          `json:"return_url"`
 	Shipping            ShippingDetails                 `json:"shipping"`
-	Source              *PaymentSource                  `json:"source"`
+	Source              *Source                         `json:"source"`
 	StatementDescriptor string                          `json:"statement_descriptor"`
 	Status              PaymentIntentStatus             `json:"status"`
 	TransferData        *PaymentIntentTransferData      `json:"transfer_data"`