diff --git a/knowledge/survey/browser.py b/knowledge/survey/browser.py
index 6b6c767..55935ad 100644
--- a/knowledge/survey/browser.py
+++ b/knowledge/survey/browser.py
@@ -48,6 +48,7 @@ class SurveyView(ConceptView):
 
     @Lazy
     def macro(self):
+        self.registerDojo()
         return template.macros['survey']
 
     def results(self):
diff --git a/knowledge/survey/response.py b/knowledge/survey/response.py
index b27979e..3841c4f 100644
--- a/knowledge/survey/response.py
+++ b/knowledge/survey/response.py
@@ -39,10 +39,9 @@ class Responses(BaseRecordManager):
         self.context = context
 
     def save(self, data):
-        if not self.personId:
-            return
-        self.storage.saveUserTrack(self.uid, 0, self.personId, data, 
-                                    update=True, overwrite=True)
+        if self.personId:
+            self.storage.saveUserTrack(self.uid, 0, self.personId, data, 
+                                        update=True, overwrite=True)
 
     def load(self):
         if self.personId:
diff --git a/organize/tracking/base.py b/organize/tracking/base.py
index f8a1323..645e091 100644
--- a/organize/tracking/base.py
+++ b/organize/tracking/base.py
@@ -20,6 +20,7 @@
 Base class(es) for track/record managers.
 """
 
+from zope.app.security.interfaces import IUnauthenticatedPrincipal
 from zope.cachedescriptors.property import Lazy
 
 from cybertools.meta.interfaces import IOptions
@@ -65,6 +66,8 @@ class BaseRecordManager(object):
         else:
             principal = getPrincipalForUserId(userId, context=self.context)
         if principal is not None:
+            if IUnauthenticatedPrincipal.providedBy(principal):
+                return None
             person = getPersonForUser(self.context, principal=principal)
             if person is None:
                 return principal.id