1 files changed, 1 insertions, 0 deletions

diff --git a/charconv.c b/charconv.c
index ac6ddf13..acab4328 100644
--- a/charconv.c
+++ b/charconv.c
@@ -33,6 +33,7 @@
  */
 
 #ifdef _WIN32
+#include <stdio.h>
 #include <windows.h>
 
 #include "charconv.h"