diff --git a/src/mydefs.cpp b/src/mydefs.cpp
index ab9f3bf..722272d 100644
--- a/src/mydefs.cpp
+++ b/src/mydefs.cpp
@@ -37,6 +37,7 @@
 #include <cmath>
 #include <cstdarg>
 #include <cstring>
+#include <cstdint>
 #include <filesystem>
 #include <string>
 #include <stdio.h>