diff --git a/server/src/main/resources/web/dcm.ftl b/server/src/main/resources/web/dcm.ftl
index 80492b22..ef391708 100644
--- a/server/src/main/resources/web/dcm.ftl
+++ b/server/src/main/resources/web/dcm.ftl
@@ -54,7 +54,7 @@
         <script src="dcm/index.umd.js"></script>
 
         <script>
-       var url = '${finalUrl}';
+       var url = '${finalUrl?js_string}';
 	var kkagent = '${kkagent}';
     var baseUrl = '${baseUrl}'.endsWith('/') ? '${baseUrl}' : '${baseUrl}' + '/';
     if (kkagent === 'true' || !url.startsWith(baseUrl)) {