diff --git a/sysfs/sysfswrite.cpp b/sysfs/sysfswrite.cpp
index db903cb..69ad815 100644
--- a/sysfs/sysfswrite.cpp
+++ b/sysfs/sysfswrite.cpp
@@ -16,6 +16,7 @@
 
 #include "sysfswrite.hpp"
 
+#include <cstdint>
 #include <fstream>
 #include <iostream>