diff --git a/lib/statistics.rb b/lib/statistics.rb
index 5b4da1165..eca851799 100644
--- a/lib/statistics.rb
+++ b/lib/statistics.rb
@@ -79,7 +79,7 @@ SQL
           LEFT OUTER JOIN services on services.user_id = users.id
             AND services.type = 'Services::Facebook'
           #{self.where_clause_sql}
-          GROUP BY users.id
+          GROUP BY users.id, users.sign_in_count
 SQL
   end