diff --git a/lib/oauth2.js b/lib/oauth2.js
index c9ac893..c0069ed 100644
--- a/lib/oauth2.js
+++ b/lib/oauth2.js
@@ -105,7 +105,7 @@ router.get(
           req.session.passport.user.apartment = userApartment;
 
           if (userImgUrl == null || userImgUrl != req.user.image) {
-            pool.query("UPDATE account SET img_url = $1 WHERE email = $2;", [req.user.image, req.user.email], function (err, res) {
+            pool.query("UPDATE account SET img_url = $1 WHERE email = $2;", [req.user.image, req.user.email], function (err, result1) {
               if (err) { res.send(err)}
               else {
                 next();