diff --git a/lib/datadog/di/transport.rb b/lib/datadog/di/transport.rb
index 3aac5f402d..a6a5522f64 100644
--- a/lib/datadog/di/transport.rb
+++ b/lib/datadog/di/transport.rb
@@ -1,5 +1,6 @@
 # frozen_string_literal: true
 
+require 'ostruct'
 require_relative 'error'
 
 module Datadog