diff --git a/db/migrate/20161206153754_add_name_index_to_namespace.rb b/db/migrate/20161206153754_add_name_index_to_namespace.rb
index aaa35ed6f0ae0605b8c4544a4293cda25effe200..b3f3cb68a99d72f64da87627d95c534e74e9d024 100644
--- a/db/migrate/20161206153754_add_name_index_to_namespace.rb
+++ b/db/migrate/20161206153754_add_name_index_to_namespace.rb
@@ -13,7 +13,7 @@ class AddNameIndexToNamespace < ActiveRecord::Migration
   end
 
   def down
-    if index_exists?(:namespaces, :name)
+    if index_exists?(:namespaces, [:name, :parent_id])
       remove_index :namespaces, [:name, :parent_id]
     end
   end