diff --git a/compat/mingw.c b/compat/mingw.c
index 4e44f93e21..67708e5fe0 100644
--- a/compat/mingw.c
+++ b/compat/mingw.c
@@ -1,6 +1,10 @@
 #include <stdint.h>
+#include <stdlib.h>
+#include <fcntl.h>
 #include "../git-compat-util.h"
 
+unsigned int _CRT_fmode = _O_BINARY;
+
 int readlink(const char *path, char *buf, size_t bufsiz)
 {
 	errno = EINVAL;