diff --git a/nat64.c b/nat64.c
index a88f81d..fb9046e 100644
--- a/nat64.c
+++ b/nat64.c
@@ -16,6 +16,7 @@
  */
 
 #include <tayga.h>
+#include <sys/uio.h>
 
 extern struct config *gcfg;