diff --git a/include/ArduinoJson/Internals/ListConstIterator.hpp b/include/ArduinoJson/Internals/ListConstIterator.hpp
index 1c9c111c..f4b86365 100644
--- a/include/ArduinoJson/Internals/ListConstIterator.hpp
+++ b/include/ArduinoJson/Internals/ListConstIterator.hpp
@@ -6,6 +6,8 @@
 
 #pragma once
 
+#include "ListNode.hpp"
+
 namespace ArduinoJson {
 namespace Internals {