diff --git a/src/controllers/auth.controller.js b/src/controllers/auth.controller.js
index 2c0c88f..6b80029 100644
--- a/src/controllers/auth.controller.js
+++ b/src/controllers/auth.controller.js
@@ -372,9 +372,10 @@ async function getTncAcceptanceFlag(req, res) {
 async function setTncAcceptanceFlag(req, res) {
   try {
     const { flag } = req.body;
-    if (typeof flag !== 'boolean')
-      res.staus(400).json({ error: 'invalid value for flag' });
+    if (flag !== 'Y' && flag !== 'N')
+      res.status(400).json({ error: 'invalid value for flag' });
     await authService.setTncFlag(req.user, req.client, flag);
+    return res.json({ message: 'SUCCESS' });
   } catch (error) {
     logger.error(error, 'error occured while updating tnc flag');
     res.status(500).json({ error: 'INTERNAL SERVER ERROR' });