diff --git a/src/lib/kdmp-parser-structs.h b/src/lib/kdmp-parser-structs.h
index 2aef5af..3b6adb9 100644
--- a/src/lib/kdmp-parser-structs.h
+++ b/src/lib/kdmp-parser-structs.h
@@ -2,12 +2,15 @@
 #pragma once
 
 #include "platform.h"
+
+#define __STDC_WANT_LIB_EXT1__ 1
+#include <cstdio>
+
 #include <array>
 #include <cinttypes>
 #include <cstdarg>
 #include <cstddef>
 #include <cstdint>
-#include <cstdio>
 #include <string_view>
 #include <type_traits>
 #include <variant>