diff --git a/cms/templates/asset_index.html b/cms/templates/asset_index.html
index ce3a33174a..6340563b2f 100644
--- a/cms/templates/asset_index.html
+++ b/cms/templates/asset_index.html
@@ -68,7 +68,7 @@
                             "revision": "${context_course.location.revision | n, js_escaped_string}"
                         },
                         "help_tokens": {
-                            "files": "${get_online_help_info(online_help_token())['doc_url']}"
+                            "files": "${get_online_help_info(online_help_token())['doc_url'] | n, js_escaped_string}"
                         }
                     }
                 </%static:studiofrontend>