diff --git a/tftp.c b/tftp.c
index d0a4fa9..0a099ff 100644
--- a/tftp.c
+++ b/tftp.c
@@ -1,4 +1,5 @@
 /* See LICENSE file for copyright and license details. */
+#include <sys/time.h>
 #include <sys/types.h>
 #include <sys/socket.h>