diff --git a/lmarshal.cpp b/lmarshal.cpp
index 2775331..816255a 100644
--- a/lmarshal.cpp
+++ b/lmarshal.cpp
@@ -31,7 +31,7 @@
 
 #include <stdlib.h>
 #include <string.h>
-#include <stdint.h>
+#include <cstdint>
 
 extern "C" {
 #include "lua.h"