diff --git a/digits/extensions/view/imageSegmentation/header_template.html b/digits/extensions/view/imageSegmentation/header_template.html
index 30295f581..1385cc67f 100644
--- a/digits/extensions/view/imageSegmentation/header_template.html
+++ b/digits/extensions/view/imageSegmentation/header_template.html
@@ -1,4 +1,4 @@
 {# Copyright (c) 2016-2017, NVIDIA CORPORATION.  All rights reserved. #}
 
-<script type="text/javascript" src="/extension-static/view/image-segmentation/js/app.js"></script>
-<link rel="stylesheet" href="/extension-static/view/image-segmentation/css/app.css">
+<script type="text/javascript" src="{{config['URL_PREFIX']}}/extension-static/view/image-segmentation/js/app.js"></script>
+<link rel="stylesheet" href="{{config['URL_PREFIX']}}/extension-static/view/image-segmentation/css/app.css">
diff --git a/digits/templates/layout.html b/digits/templates/layout.html
index d7dc3b2a8..2257afc68 100644
--- a/digits/templates/layout.html
+++ b/digits/templates/layout.html
@@ -96,7 +96,7 @@
 
 window.onload = function () {
     $('.autocomplete_path').autocomplete({
-       serviceUrl: '/autocomplete/path',
+       serviceUrl: '{{config['URL_PREFIX']}}/autocomplete/path',
        formatResult: function (suggestion, currentValue)
        {
             function baseName(str)