diff --git a/myems-api/core/user.py b/myems-api/core/user.py
index d39e8a5d..e1c30418 100644
--- a/myems-api/core/user.py
+++ b/myems-api/core/user.py
@@ -432,7 +432,7 @@ class UserLogin:
                        " VALUES (%s, %s, %s) ")
         user_uuid = result['uuid']
         token = hashlib.sha1(os.urandom(24)).hexdigest()
-        utc_expires = datetime.utcnow() + timedelta(seconds=1000 * 60 * 60 * 8)
+        utc_expires = datetime.utcnow() + timedelta(seconds=60 * 60 * 8)
         cursor.execute(add_session, (user_uuid, token, utc_expires))
         cnx.commit()
         cursor.close()