diff --git a/src/api.test.ts b/src/api.test.ts
index 755e05c..8e38781 100644
--- a/src/api.test.ts
+++ b/src/api.test.ts
@@ -9,14 +9,10 @@ const forgeoUrl = authtoken["forgejo_url"];
 const token = authtoken["sha1"];
 const username = authtoken["login"];
 const repo = authtoken["repo"];
-const api = new Forgejo(forgeoUrl, "owner_user");
-api.setTokenAuth(token);
+const api = new Forgejo(forgeoUrl);
 
-test("use authentication without setting it ", () => {
-  const api = new Forgejo(forgeoUrl, "owner_user");
-
-  expect(() => api.getTokenAuth()).toThrow();
-  api.setTokenAuth(token);
+test("use authentication without setting it ", async () => {
+  await api.setTokenAuth(token);
   expect(api.getTokenAuth().getToken()).toBe(token);
   let headers = api.getTokenAuthHeader();
   expect(headers.Authorization).toBe(`token ${token}`);
diff --git a/src/index.ts b/src/index.ts
index d2307d1..457802a 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -17,19 +17,19 @@ class Forgejo {
    * Represents a Forgejo instance.
    * @constructor
    * @param {string} url - The URL of the Forgejo instance
-   * @param {string} username - username of the logged in user
    */
-  constructor(url: string, username: string) {
+  constructor(url: string) {
     this.url = new URL(url);
-    this.username = username;
   }
 
   /**
    * Authenticate with token
    * @param {Auth} token - access token
    */
-  setTokenAuth(token: string) {
+  async setTokenAuth(token: string) {
     this.token = new Auth(token);
+    let res = await this.getUser();
+    this.username = res.username;
   }
 
   /**