diff --git a/db/migrate/20170520145338_change_language_filter_to_opt_out.rb b/db/migrate/20170520145338_change_language_filter_to_opt_out.rb
index f0a95819c33f..0e91c4680370 100644
--- a/db/migrate/20170520145338_change_language_filter_to_opt_out.rb
+++ b/db/migrate/20170520145338_change_language_filter_to_opt_out.rb
@@ -5,7 +5,7 @@ class ChangeLanguageFilterToOptOut < ActiveRecord::Migration[5.0]
     remove_index :users, :allowed_languages
 
     change_table(:users, bulk: true) do |t|
-      t.remove :allowed_languages
+      t.remove :allowed_languages, type: :string, array: true, default: [], null: false
       t.column :filtered_languages, :string, array: true, default: [], null: false
     end