diff --git a/server.js b/server.js
index 1dc6520..4f01dc0 100644
--- a/server.js
+++ b/server.js
@@ -142,7 +142,7 @@ app.use(connect_st({
 // so route it back to /
 app.use(route(function(router) {
   router.get('/:id', function(request, response, next) {
-    if (request.headers.accept.includes('html')) {
+    if (request.headers.accept && request.headers.accept.includes('html')) {
       request.sturl = '/';
       next();
     } else {