diff --git a/vnc_lite.html b/vnc_lite.html
index 9a38439c..28ab25a7 100644
--- a/vnc_lite.html
+++ b/vnc_lite.html
@@ -156,6 +156,7 @@
         const host = readQueryVariable('host', window.location.hostname);
         let port = readQueryVariable('port', window.location.port);
         const password = readQueryVariable('password', '');
+        const authToken = readQueryVariable('auth_token', '');
         const path = readQueryVariable('path', 'websockify');
 
         // | | |         | | |
@@ -177,6 +178,10 @@
         }
         url += '/' + path;
 
+        if (auth_token !== '') {
+            url += "?auth_token=" + auth_token;
+        }
+
         // Creating a new RFB object will start a new connection
         rfb = new RFB(document.getElementById('screen'), url,
                       { credentials: { password: password } });