diff --git a/db/migrate/20140206195001_add_defaults_to_category_posts_and_topics_fields.rb b/db/migrate/20140206195001_add_defaults_to_category_posts_and_topics_fields.rb
new file mode 100644
index 00000000000..28426a572b6
--- /dev/null
+++ b/db/migrate/20140206195001_add_defaults_to_category_posts_and_topics_fields.rb
@@ -0,0 +1,11 @@
+class AddDefaultsToCategoryPostsAndTopicsFields < ActiveRecord::Migration
+  def change
+    change_column_default :categories, :posts_week,   0
+    change_column_default :categories, :posts_month,  0
+    change_column_default :categories, :posts_year,   0
+
+    change_column_default :categories, :topics_week,  0
+    change_column_default :categories, :topics_month, 0
+    change_column_default :categories, :topics_year,  0
+  end
+end
diff --git a/spec/models/category_spec.rb b/spec/models/category_spec.rb
index b11dc5db111..11f9e32cab8 100644
--- a/spec/models/category_spec.rb
+++ b/spec/models/category_spec.rb
@@ -206,6 +206,14 @@ describe Category do
       @topic.posts.count.should == 1
 
       @category.topic_url.should be_present
+
+      @category.posts_week.should  == 0
+      @category.posts_month.should == 0
+      @category.posts_year.should  == 0
+
+      @category.topics_week.should  == 0
+      @category.topics_month.should == 0
+      @category.topics_year.should  == 0
     end
 
     it "should not set its description topic to auto-close" do