1 files changed, 5 insertions, 0 deletions
diff --git a/public/javascripts/schedule.js b/public/javascripts/schedule.js
index 657c4a0..38ad66d 100644
--- a/public/javascripts/schedule.js
+++ b/public/javascripts/schedule.js
@@ -1,3 +1,5 @@
+/* global VALID_WEEK_NUMBERS */
+
 const EventEmitter = require('events')
 const search = require('./search')
 
@@ -55,6 +57,9 @@ self.viewItem = function (week, selectedUser) {
   if (selectedUser == null) {
     self._removeChilds()
     search.updateDom(selectedUser)
+  } else if (VALID_WEEK_NUMBERS.indexOf(week) === -1) {
+    self._handleError({ target: { status: 404 } });
+    return
   } else {
     const url = self._getURLOfUser(week, selectedUser)