diff --git a/sample/public/index.html b/sample/public/index.html
index 15b7ba8..0aa973a 100644
--- a/sample/public/index.html
+++ b/sample/public/index.html
@@ -55,11 +55,12 @@
 		document.getElementById('login').addEventListener('click', async () => {
 			document.getElementById('login').setAttribute('class', 'hidden');
 			document.getElementById('error').textContent = '';
+
 			try {
 				const tokens = await appID.signinWithPopup();
 				let userInfo = await appID.getUserInfo(tokens.accessToken);
 				let decodeIDToken = tokens.idTokenPayload;
-				document.getElementById('welcome').innerHTML = 'Hello, ' + decodeIDToken.name;
+				document.getElementById('welcome').textContent = 'Hello, ' + decodeIDToken.name;
 				document.getElementById('id_token').textContent = JSON.stringify(decodeIDToken);
 				document.getElementById('user_info').textContent = JSON.stringify(userInfo);
 			} catch (e) {