diff --git a/app/controllers/stats_controller.rb b/app/controllers/stats_controller.rb
index 2a7009e4..3847c47a 100755
--- a/app/controllers/stats_controller.rb
+++ b/app/controllers/stats_controller.rb
@@ -652,7 +652,7 @@ class StatsController < ApplicationController
           "AND tags.id = taggings.tag_id " +
           "AND taggings.taggable_id = todos.id ", current_user.id])
     tags_ids_s = tag_ids.map(&:id).sort.join(",")
-    return {} if tags_ids_s.blank?  # return empty array for .size to work
+    return {} if tags_ids_s.blank?  # return empty hash for .size to work
     return Tag.find(:all, :conditions => "id in (" + tags_ids_s + ")")
   end
 
diff --git a/test/functional/stats_controller_test.rb b/test/functional/stats_controller_test.rb
index 41e0048f..11f409a0 100755
--- a/test/functional/stats_controller_test.rb
+++ b/test/functional/stats_controller_test.rb
@@ -99,10 +99,7 @@ class StatsControllerTest < Test::Unit::TestCase
     assert_response :success
 
     # clear taggings table and render again
-    taggings = Tagging.find(:all)
-    taggings.each do |t|
-      t.delete
-    end
+    Tagging.delete_all
     get :index
     assert_response :success