diff --git a/src/components/OnboardingPage/SetupBranding.tsx b/src/components/OnboardingPage/SetupBranding.tsx
index d44d59c..80423b6 100644
--- a/src/components/OnboardingPage/SetupBranding.tsx
+++ b/src/components/OnboardingPage/SetupBranding.tsx
@@ -25,7 +25,7 @@ export const SetupBranding = () => {
       .register(onboarding)
       .then((res) => {
         authService.setAuthToken(res.payload.access_token);
-        userService.setUser({ nickname: res.payload.nickname });
+        userService.updateUserNickname(res.payload.nickname);
         authService.deleteRegisterToken();
         navigate('/');
       })
diff --git a/src/services/UserService.ts b/src/services/UserService.ts
index 7a60881..a022610 100644
--- a/src/services/UserService.ts
+++ b/src/services/UserService.ts
@@ -36,6 +36,14 @@ class UserService {
     }
   }
 
+  updateUserNickname(nickname: string) {
+    const user = this.getUser();
+    if (!user) {
+      return;
+    }
+    this.setUser({ ...user, nickname });
+  }
+
   getTestState() {
     const user = this.getUser();
     if (!user) {