diff --git a/django_facebook/__init__.py b/django_facebook/__init__.py
index 0a9c688b..c27f43f3 100644
--- a/django_facebook/__init__.py
+++ b/django_facebook/__init__.py
@@ -4,7 +4,7 @@
 
 
 __license__ = 'BSD'
-__version__ = '3.6.2'
+__version__ = '3.6.3'
 __maintainer__ = 'Thierry Schellenbach'
 __email__ = 'thierryschellenbach@gmail.com'
 __status__ = 'Production'
diff --git a/django_facebook/model_managers.py b/django_facebook/model_managers.py
index 4e64c36d..ad15cc2b 100644
--- a/django_facebook/model_managers.py
+++ b/django_facebook/model_managers.py
@@ -34,19 +34,22 @@ def random_facebook_friends(self, user, gender=None, limit=3):
         assert gender in (None, 'M', 'F'), 'Gender %s wasnt recognized' % gender
         
         from django_facebook.utils import get_profile_class
-        facebook_cache_key = 'fusers_%s' % user.id
-        new_facebook_users = cache.get(facebook_cache_key)
+        facebook_cache_key = 'facebook_users_%s' % user.id
+        non_members = cache.get(facebook_cache_key)
         profile_class = get_profile_class()
-        if not new_facebook_users:
+        if not non_members:
             facebook_users = list(self.filter(user_id=user.id, gender=gender)[:50])
             facebook_ids = [u.facebook_id for u in facebook_users]
-            new_facebook_users = list(profile_class.objects.filter(facebook_id__in=facebook_ids).select_related('user'))
-            cache.set(facebook_cache_key, new_facebook_users, 60*60)
+            members = list(profile_class.objects.filter(facebook_id__in=facebook_ids).select_related('user'))
+            member_ids = [p.facebook_id for p in members]
+            non_members = [u for u in facebook_users if u.facebook_id not in member_ids]
             
-        random_limit = min(len(new_facebook_users), 3)
+            cache.set(facebook_cache_key, non_members, 60*60)
+            
+        random_limit = min(len(non_members), 3)
         random_facebook_users = []
         if random_limit:
-            random_facebook_users = random.sample(new_facebook_users, limit)
+            random_facebook_users = random.sample(non_members, limit)
             
         return random_facebook_users
         
\ No newline at end of file
diff --git a/django_facebook/models.py b/django_facebook/models.py
index 0f93bcaa..e5480396 100644
--- a/django_facebook/models.py
+++ b/django_facebook/models.py
@@ -68,6 +68,9 @@ class FacebookUser(models.Model):
 
     class Meta:
         unique_together = ['user_id', 'facebook_id']
+        
+    def __unicode__(self):
+        return u'Facebook user %s' % self.name
 
 
 class FacebookLike(models.Model):