diff --git a/types/stripe/index.d.ts b/types/stripe/index.d.ts
index 592d0b0430..b4b08df674 100644
--- a/types/stripe/index.d.ts
+++ b/types/stripe/index.d.ts
@@ -3797,7 +3797,7 @@ declare namespace Stripe {
              * Otherwise, if you do not pass a customer, a object containing a
              * user's credit card details, with the options described below.
              */
-            card: sources.ISourceCreationOptions;
+            card?: sources.ISourceCreationOptions;
         }
 
         interface IBankAccountTokenCreationOptions extends ITokenCreationOptionsBase {