diff --git a/backend/src/__tests__/socket.test.js b/backend/src/__tests__/socket.test.js
index 63e5669..fd2f9f3 100644
--- a/backend/src/__tests__/socket.test.js
+++ b/backend/src/__tests__/socket.test.js
@@ -243,7 +243,7 @@ describe('Socket.IO Server', () => {
       clientSocket.on('event_message', async (message) => {
         expect(message.content).toBe(messageContent);
         expect(message.userId).toBe(testUser.id);
-        expect(message.username).toBe(testUser.username);
+        expect(message.user.username).toBe(testUser.username);
         expect(message.type).toBe('text');
         expect(message.createdAt).toBeDefined();