diff --git a/src/pfwbged/folder/folder.py b/src/pfwbged/folder/folder.py
index ee6d007..95ae960 100644
--- a/src/pfwbged/folder/folder.py
+++ b/src/pfwbged/folder/folder.py
@@ -96,10 +96,13 @@ class Folder(Container):
 
     def parent_folders(self):
         parents = []
+        sm = getSecurityManager()
         for id, item in self.contentItems():
             if not ILink.providedBy(item):
                 continue
             if item.folder.to_object:
+                if not sm.checkPermission('View', item.folder.to_object):
+                    continue
                 parents.append(item.folder.to_object)
         return parents