diff --git a/src/account.ts b/src/account.ts
index b463032..d5c07a4 100644
--- a/src/account.ts
+++ b/src/account.ts
@@ -26,7 +26,7 @@ import {
 import { AxiosResponse } from "axios";
 import * as URL from 'url';
 
-export default class AccountApi {
+export class AccountApi {
   private apiUrl: string;
   private jwtToken?: string;
 
diff --git a/src/sdk.ts b/src/sdk.ts
index 18be100..3a63f06 100644
--- a/src/sdk.ts
+++ b/src/sdk.ts
@@ -1,4 +1,4 @@
-import AccountApi from "./account.js";
+import {AccountApi} from "./account.js";
 
 export class Sdk {
   private apiUrl: string;
@@ -16,6 +16,6 @@ export class Sdk {
     if (!this.accountApi) {
       this.accountApi = AccountApi.create(this.apiUrl);
     }
-    return this.accountApi;
+    return this.accountApi!;
   }
 }