diff --git a/src/register.html b/src/register.html
index 8064af1..ff25e61 100644
--- a/src/register.html
+++ b/src/register.html
@@ -8,8 +8,6 @@
 <body>
 <h1>Sign-up</h1>
 <form id="register">
-    <label for="auth">Auth code</label>
-    <input type="text" id="auth" name="auth" /> <br/>
     <label for="user">Username</label>
     <input type="text" id="user" name="user" /> <br />
     <label for="pass">Password</label>
@@ -27,10 +25,12 @@
     function formHandler(listener){
         listener.preventDefault();
         const formData = new FormData(formEl);
-        const auth = formData.get("auth");
+        const url = new URL(window.location.href);
+        const urlParam = new URLSearchParams(url.search);
+        const auth = urlParam.get("auth");
         const user = formData.get("user");
         const pass = formData.get("pass");
-        const object = { auth: auth, user: user, pass: pass }
+        const object = { auth: auth, user: user, pass: pass };
         fetch('https://api.sso.skynet.ie/ldap/new', {
             method: 'POST',
             body: JSON.stringify(object),
@@ -53,7 +53,7 @@
                     }
                 }
             })
-            .catch(() => document.getElementById('formStatus').innerHTML = "<span style='background-color: yellow; color: black'>Please try again</span>")
+            .catch(() => document.getElementById('formStatus').innerHTML = "<span style='background-color: yellow; color: black'>Please try again</span>");
     }
 </script>
 </body>
