diff --git a/static/js/app.js b/static/js/app.js
index c2c014f..00956b1 100644
--- a/static/js/app.js
+++ b/static/js/app.js
@@ -1,3 +1,11 @@
+function websocketPrefix() {
+    if (window.location.protocol == "https:") {
+        return "wss"
+    } else {
+        return "ws"
+    }
+}
+
 /*  ansi_up.js
  *  author : Dru Nelson
  *  license : MIT
diff --git a/templates/index.html b/templates/index.html
index e2dd163..4dc00d7 100644
--- a/templates/index.html
+++ b/templates/index.html
@@ -45,7 +45,7 @@
             }
         })
 
-        ws = new WebSocket('ws://' + document.domain + ':' + location.port + '/index-ws');
+        ws = new WebSocket(websocketPrefix() + '://' + document.domain + ':' + location.port + '/index-ws');
 
         ws.onmessage = function (event) {
             var message = JSON.parse(event.data);
diff --git a/templates/job.html b/templates/job.html
index 3d8be0b..419eaa8 100644
--- a/templates/job.html
+++ b/templates/job.html
@@ -50,7 +50,7 @@
             }
         })
 
-        ws = new WebSocket('ws://' + document.domain + ':' + location.port + '/job-<{ job.id }>-ws');
+        ws = new WebSocket(websocketPrefix() + '://' + document.domain + ':' + location.port + '/job-<{ job.id }>-ws');
 
         ws.onmessage = function (event) {
             var message = JSON.parse(event.data);