diff --git a/logname.c b/logname.c
index d614e85..edec016 100644
--- a/logname.c
+++ b/logname.c
@@ -22,6 +22,8 @@
 
 #include "busybox.h"
 #include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
 
 extern int logname_main(int argc, char **argv)
 {