1 files changed, 4 insertions, 4 deletions
diff --git a/mdk-stage1/dietlibc/lib/isatty.c b/mdk-stage1/dietlibc/lib/isatty.c
index b31609720..4858a364d 100644
--- a/mdk-stage1/dietlibc/lib/isatty.c
+++ b/mdk-stage1/dietlibc/lib/isatty.c
@@ -2,11 +2,11 @@
 #include <termios.h>
 #undef ioctl
 #include <sys/ioctl.h>
+#include <errno.h>
+#include <unistd.h>
+#include "dietfeatures.h"
 
-extern int errno;
-
-int isatty(int fd)
-{
+int isatty(int fd) {
   int save;
   int is_tty;
   struct termios term;