diff --git a/pandora/user/statistics.py b/pandora/user/statistics.py
index 0ccb7be4..613ab3d7 100644
--- a/pandora/user/statistics.py
+++ b/pandora/user/statistics.py
@@ -81,18 +81,18 @@ class Statistics(dict):
 
                     if not year in self[mode]['year']:
                         self[mode]['year'][year] = {}
-                    self._increment(self[mode]['year'][year], month, 1)
+                    self._increment(self[mode]['year'][year], month)
 
-                    self._increment(self[mode]['month'], month, 1)
+                    self._increment(self[mode]['month'], month)
 
                     if key == 'firstseen':
                         if not day in self[mode]['day']:
                             self[mode]['day'][day] = {}
-                        self._increment(self[mode]['day'][day], hour, 1)
+                        self._increment(self[mode]['day'][day], hour)
 
                         if not weekday in self[mode]['weekday']:
                             self[mode]['weekday'][weekday] = {}
-                        self._increment(self[mode]['weekday'][weekday], hour, 1)
+                        self._increment(self[mode]['weekday'][weekday], hour)
 
                         self._increment(self[mode]['hour'], hour)
 
diff --git a/pandora/user/tasks.py b/pandora/user/tasks.py
index 14935a7d..3a2766eb 100644
--- a/pandora/user/tasks.py
+++ b/pandora/user/tasks.py
@@ -19,7 +19,8 @@ def update_statistics():
         return izip_longest(*[iter(iterable)]*chunksize, fillvalue=filler)
 
     stats = Statistics()
-    ids = [i['session_key'] for i in models.SessionData.objects.all().values('session_key')]
+    ids = [i['session_key']
+        for i in models.SessionData.objects.filter(level__gte=0).values('session_key')]
 
     for chunk in chunker(ids, 100, None):
         chunk = filter(None, chunk)