diff --git a/usr.bin/showmount/showmount.c b/usr.bin/showmount/showmount.c
index 8cb342d6f169..62898d208b2c 100644
--- a/usr.bin/showmount/showmount.c
+++ b/usr.bin/showmount/showmount.c
@@ -45,6 +45,7 @@ static char sccsid[] = "@(#)showmount.c	8.1 (Berkeley) 6/6/93";
 #endif not lint
 
 #include <sys/types.h>
+#include <sys/queue.h>
 #include <sys/file.h>
 #include <sys/socket.h>
 #include <sys/socketvar.h>