diff --git a/vocoder/static/vocoder.js b/vocoder/static/vocoder.js
index 0d0fa37..68d56c6 100644
--- a/vocoder/static/vocoder.js
+++ b/vocoder/static/vocoder.js
@@ -4,7 +4,7 @@
 // Vocoder front-end Javascript
 //
 
-var archiveUrl = "http://localhost:5000/add-to-archive";
+var archiveUrl = window.location + "add-to-archive";
 var canvasColour = "white";
 var canvasHeight = 400;
 var canvasWidth = 800;