diff --git a/llarp/util/thread/queue_manager.hpp b/llarp/util/thread/queue_manager.hpp
index f202b4ad9..6389d9e78 100644
--- a/llarp/util/thread/queue_manager.hpp
+++ b/llarp/util/thread/queue_manager.hpp
@@ -1,5 +1,5 @@
 #pragma once
-
+#include <cstdint>
 #include <algorithm>
 #include <atomic>
 #include <cassert>