diff --git a/furumi-node-player/server/src/index.ts b/furumi-node-player/server/src/index.ts
index 93f7f29..5a1e1b0 100644
--- a/furumi-node-player/server/src/index.ts
+++ b/furumi-node-player/server/src/index.ts
@@ -86,7 +86,7 @@ app.get('/auth/token', (req, res) => {
   }
 
   const accessToken = req.oidc.accessToken?.access_token;
-  const expiresAt = req.oidc.accessToken?.expires_at;
+  const expiresAt = req.oidc.accessToken?.expires_in;
   if (!accessToken) {
     res.status(500).json({ error: 'no access token in session' });
     return;
@@ -95,7 +95,7 @@ app.get('/auth/token', (req, res) => {
   res.json({
     access_token: accessToken,
     token_type: 'Bearer',
-    expires_at: expiresAt,
+    expires_in: expiresAt,
   });
 });