diff --git a/db/migrate/20180831164909_add_index_for_identifier_to_prometheus_metric.rb b/db/migrate/20180831164909_add_index_for_identifier_to_prometheus_metric.rb
index f41a869199a..b30c24ccafe 100644
--- a/db/migrate/20180831164909_add_index_for_identifier_to_prometheus_metric.rb
+++ b/db/migrate/20180831164909_add_index_for_identifier_to_prometheus_metric.rb
@@ -1,6 +1,6 @@
 # frozen_string_literal: true
 
-class AddIdentifierToPrometheusMetric < ActiveRecord::Migration
+class AddIndexForIdentifierToPrometheusMetric < ActiveRecord::Migration
   include Gitlab::Database::MigrationHelpers
 
   DOWNTIME = false