diff --git a/db/migrate/6_add_missing_indexes.rb b/db/migrate/6_add_missing_indexes_on_taggings.rb
similarity index 85%
rename from db/migrate/6_add_missing_indexes.rb
rename to db/migrate/6_add_missing_indexes_on_taggings.rb
index 667c9e33f..8345ae33b 100644
--- a/db/migrate/6_add_missing_indexes.rb
+++ b/db/migrate/6_add_missing_indexes_on_taggings.rb
@@ -1,4 +1,4 @@
-class AddMissingIndexes < ActiveRecord::Migration
+class AddMissingIndexesOnTaggings < ActiveRecord::Migration
   def change
     add_index :taggings, :tag_id
     add_index :taggings, :taggable_id