1 files changed, 1 insertions, 0 deletions

diff --git a/util.c b/util.c
index d20077b..d1daa7d 100644
--- a/util.c
+++ b/util.c
@@ -5,6 +5,7 @@
 #if _WIN32
 #include <intrin.h>
 #include <direct.h>
+#include <io.h>
 #elif __unix__
 #include <unistd.h>
 #else