diff --git a/app/src/components/settings/account/ProfileSettings.test.tsx b/app/src/components/settings/account/ProfileSettings.test.tsx
index 124022d..4aef72b 100644
--- a/app/src/components/settings/account/ProfileSettings.test.tsx
+++ b/app/src/components/settings/account/ProfileSettings.test.tsx
@@ -4,6 +4,25 @@ import React from 'react';
 import { MantineProvider } from '@mantine/core';
 import ProfileSettings from './ProfileSettings';
 import type { UserProfileSettings } from '@/types/models';
+import { Theme, UserRole, type User } from '@/types/models';
+
+// Mock user for AuthContext
+const mockUser: User = {
+  id: 1,
+  email: 'test@example.com',
+  displayName: 'Test User',
+  role: UserRole.Editor,
+  theme: Theme.Dark,
+  createdAt: '2024-01-01T00:00:00Z',
+  lastWorkspaceId: 1,
+};
+
+// Mock the auth context
+vi.mock('../../../contexts/AuthContext', () => ({
+  useAuth: () => ({
+    user: mockUser,
+  }),
+}));
 
 // Helper wrapper component for testing
 const TestWrapper = ({ children }: { children: React.ReactNode }) => (
diff --git a/app/src/types/models.test.ts b/app/src/types/models.test.ts
index 8a27ea9..4b83318 100644
--- a/app/src/types/models.test.ts
+++ b/app/src/types/models.test.ts
@@ -188,6 +188,7 @@ describe('Models Type Guards', () => {
         id: 1,
         email: 'test@example.com',
         role: UserRole.Editor,
+        theme: Theme.Dark,
         createdAt: '2024-01-01T00:00:00Z',
         lastWorkspaceId: 1,
         __proto__: { malicious: true },
@@ -773,6 +774,7 @@ describe('Models Type Guards', () => {
         id: 1,
         email: 'test@example.com',
         role: UserRole.Editor,
+        theme: Theme.Dark,
         createdAt: '2024-01-01T00:00:00Z',
         lastWorkspaceId: 1,
       };
@@ -806,6 +808,7 @@ describe('Models Type Guards', () => {
         id: 1,
         email: 'test@example.com',
         role: UserRole.Editor,
+        theme: Theme.Dark,
         createdAt: '2024-01-01T00:00:00Z',
         lastWorkspaceId: 1,
       });
@@ -854,6 +857,7 @@ describe('Models Type Guards', () => {
         id: 1,
         email: longString,
         role: UserRole.Editor,
+        theme: Theme.Dark,
         createdAt: '2024-01-01T00:00:00Z',
         lastWorkspaceId: 1,
       };