diff --git a/server.js b/server.js
index 3826310..13c7c04 100644
--- a/server.js
+++ b/server.js
@@ -91,7 +91,8 @@ app.post('/api/login', async (req, res) => {
             grant_type: 'password',
             username: loginId,
             password: password,
-            scope: 'openid profile'
+            scope: 'openid profile',
+            redirect_uri: process.env.REDIRECT_URI // 추가
         });
 
         console.log(`[OIDC Step 2] TokenSet received successfully.`);