diff --git a/src/@ionic-native/plugins/stripe/index.ts b/src/@ionic-native/plugins/stripe/index.ts
index 32eda51de..c3032e60b 100644
--- a/src/@ionic-native/plugins/stripe/index.ts
+++ b/src/@ionic-native/plugins/stripe/index.ts
@@ -45,7 +45,7 @@ export interface StripeCardTokenParams {
   /**
    * Postal code / ZIP Code
    */
-  postal_code?: string;
+  postalCode?: string;
   /**
    * 3-letter ISO code for currency
    */