diff --git a/auth-server/static/login.html b/auth-server/static/login.html
index 54e3cc8..062fe83 100644
--- a/auth-server/static/login.html
+++ b/auth-server/static/login.html
@@ -60,11 +60,11 @@
         const userLogin = document.querySelector('input[name="user_login"]').value;
         const clientSecret = document.querySelector('input[name="client_secret"]').value;
         const backRedirectionAddress = new URLSearchParams(window.location.search).get('back_redirection_address');
-        fetch('http://auth-server/login?user_login=${userLogin}&client_secret=${clientSecret}')
+        fetch(`http://auth-server/login?user_login=${userLogin}&client_secret=${clientSecret}`)
             .then(response => response.json())
             .then(data => {
                 const accessToken = data.access_token;
-                window.location.href = '${backRedirectionAddress}?access_token=${accessToken}&user_login=${userLogin}';
+                window.location.href = `${backRedirectionAddress}?access_token=${accessToken}&user_login=${userLogin}`;
             })
             .catch(error => console.error(error));
     });