diff --git a/integrator/browser/bscw.py b/integrator/browser/bscw.py
index f1b27d8..9600b17 100644
--- a/integrator/browser/bscw.py
+++ b/integrator/browser/bscw.py
@@ -104,7 +104,7 @@ class ItemView(BaseView):
 
     @property
     def breadCrumbs(self):
-        parents = list(self.context.parents)
+        parents = [p for p in self.context.parents if p is not None]
         for p in reversed(parents):
             view = ItemView(p, self.request, self.parentView)
             yield dict(url=view.url, title=view.title)
diff --git a/integrator/bscw.py b/integrator/bscw.py
index 8a374e9..48ed18c 100644
--- a/integrator/bscw.py
+++ b/integrator/bscw.py
@@ -166,7 +166,8 @@ class BSCWProxyBase(object):
             return
         parentId = self.properties['location']['__id__'].lstrip('bs_')
         p = self.connection.getProxy(address=parentId, nested=False)
-        while parentId != self.connection.rootId:
+        while p is not None and parentId != self.connection.rootId:
+        #while parentId != self.connection.rootId:
             yield p
             parentId = p.properties['location']['__id__'].lstrip('bs_')
             p = self.connection.getProxy(address=parentId)