diff --git a/website/common/script/libs/isPinned.js b/website/common/script/libs/isPinned.js
index 58576f44ec..92bc22060f 100644
--- a/website/common/script/libs/isPinned.js
+++ b/website/common/script/libs/isPinned.js
@@ -2,8 +2,8 @@ module.exports = function isPinned (user, item) {
   if (user === null)
     return false;
 
-  const isUnpinned = user.unpinnedItems.findIndex(unpinned => unpinned.path === item.path) > -1;
-  const pinnedItem = user.pinnedItems.findIndex(pinned => pinned.path === item.path) > -1;
+  const isItemUnpinned = user.unpinnedItems !== undefined && user.unpinnedItems.findIndex(unpinned => unpinned.path === item.path) > -1;
+  const isItemPinned = user.pinnedItems !== undefined && user.pinnedItems.findIndex(pinned => pinned.path === item.path) > -1;
 
-  return pinnedItem && !isUnpinned;
+  return isItemPinned && !isItemUnpinned;
 };