diff --git a/views/plot.html b/views/plot.html
index f0b12da..5745331 100644
--- a/views/plot.html
+++ b/views/plot.html
@@ -130,7 +130,8 @@ Plotly.d3.csv("/1h.csv", function(err, rows){
 
    Plotly.newPlot('graph', data, layout);
 
-   var wsUri = window.location.toString().replace('http','ws') + "ws";
+   var url = window.location.toString().replace('http','ws');
+   var wsUri = url.substring(0, url.lastIndexOf("/")) + "/ws";
 
    var connectSocket = function() {
      websocket = new WebSocket(wsUri);
diff --git a/views/redeem.html b/views/redeem.html
index b7b0c11..0bb0600 100644
--- a/views/redeem.html
+++ b/views/redeem.html
@@ -133,7 +133,8 @@ Plotly.d3.csv("/{{ code }}.csv", function(err, rows){
 
    Plotly.newPlot('graph', data, layout);
 
-   var wsUri = window.location.toString().replace('http','ws') + "ws";
+   var url = window.location.toString().replace('http','ws');
+   var wsUri = url.substring(0, url.lastIndexOf("/")) + "/ws";
 
    var connectSocket = function() {
      websocket = new WebSocket(wsUri);