diff --git a/package/lean/luci-app-ttyd/luasrc/view/terminal/terminal.htm b/package/lean/luci-app-ttyd/luasrc/view/terminal/terminal.htm
index 5f56fc3f9..eefcaaadb 100644
--- a/package/lean/luci-app-ttyd/luasrc/view/terminal/terminal.htm
+++ b/package/lean/luci-app-ttyd/luasrc/view/terminal/terminal.htm
@@ -4,7 +4,7 @@
         <iframe id="terminal" style="width: 100%; min-height: 500px; border: none; border-radius: 3px;"></iframe>
 </div>
 <script type="text/javascript">
-        document.getElementById("terminal").src = "http://" + window.location.hostname + ":7681";
+        document.getElementById("terminal").src = window.location.protocol + "//" + window.location.hostname + ":7681";
         document.getElementById("terminal").height = document.documentElement.clientHeight;
         window.onresize = function(){
             document.getElementById("terminal").height = document.documentElement.clientHeight;