diff --git a/src/CurrencyHelper.ts b/src/CurrencyHelper.ts
index ca182f6..852531e 100644
--- a/src/CurrencyHelper.ts
+++ b/src/CurrencyHelper.ts
@@ -26,15 +26,15 @@ export class CurrencyHelper {
       usd: { percent: 2.9, fixed: 0.3, symbol: "$" },
       eur: { percent: 2.9, fixed: 0.25, symbol: "€" },
       gbp: { percent: 2.9, fixed: 0.2, symbol: "£" },
-      cad: { percent: 2.9, fixed: 0.3, symbol: "$" },
-      aud: { percent: 2.9, fixed: 0.3, symbol: "$" },
+      cad: { percent: 2.9, fixed: 0.3, symbol: "CA$" },
+      aud: { percent: 2.9, fixed: 0.3, symbol: "AU$" },
       inr: { percent: 2.9, fixed: 3.0, symbol: "₹" },
       jpy: { percent: 2.9, fixed: 30.0, symbol: "¥" },
       sgd: { percent: 2.9, fixed: 0.5, symbol: "S$" },
       hkd: { percent: 2.9, fixed: 2.35, symbol: "元" },
-      sek: { percent: 2.9, fixed: 2.5, symbol: "kr" },
-      nok: { percent: 2.9, fixed: 2.0, symbol: "kr" },
-      dkk: { percent: 2.9, fixed: 1.8, symbol: "kr" },
+      sek: { percent: 2.9, fixed: 2.5, symbol: "SEK" },
+      nok: { percent: 2.9, fixed: 2.0, symbol: "NOK" },
+      dkk: { percent: 2.9, fixed: 1.8, symbol: "DKK" },
       chf: { percent: 2.9, fixed: 0.3, symbol: "CHF" },
       mxn: { percent: 2.9, fixed: 3.0, symbol: "MXN" },
       brl: { percent: 3.9, fixed: 0.5, symbol: "R$" }
diff --git a/src/interfaces/Donation.ts b/src/interfaces/Donation.ts
index a6ceb3a..5945e27 100644
--- a/src/interfaces/Donation.ts
+++ b/src/interfaces/Donation.ts
@@ -104,6 +104,7 @@ export interface StripeDonationInterface {
   id?: string;
   type?: string;
   amount?: number;
+  currency?: string;
   customerId?: string;
   billing_cycle_anchor?: number;
   proration_behavior?: string;