diff --git a/db/migrate/20180803085321_add_index_email_logs_on_bounced.rb b/db/migrate/20180803085321_add_index_email_logs_on_bounced.rb
new file mode 100644
index 00000000000..549217abd07
--- /dev/null
+++ b/db/migrate/20180803085321_add_index_email_logs_on_bounced.rb
@@ -0,0 +1,6 @@
+class AddIndexEmailLogsOnBounced < ActiveRecord::Migration[5.2]
+  def change
+    add_index :email_logs, :bounced
+    remove_index :email_logs, [:user_id, :created_at]
+  end
+end