diff --git a/db/migrate/20150824111844_add_moderator_id_to_comment.rb b/db/migrate/20150824111844_add_moderator_id_to_comment.rb
new file mode 100644
index 000000000..014c3ecf3
--- /dev/null
+++ b/db/migrate/20150824111844_add_moderator_id_to_comment.rb
@@ -0,0 +1,5 @@
+class AddModeratorIdToComment < ActiveRecord::Migration
+  def change
+    add_column :comments, :moderator_id, :integer, default: nil
+  end
+end