diff --git a/libexec/lukemftpd/Makefile b/libexec/lukemftpd/Makefile
index bbc1c2713b1..ab3dde2ba21 100644
--- a/libexec/lukemftpd/Makefile
+++ b/libexec/lukemftpd/Makefile
@@ -43,3 +43,5 @@ lukemftpd.8: ftpd.8
 CLEANFILES+= lukemftpd.8
 
 .include <bsd.prog.mk>
+
+${OBJS}: ${.CURDIR}/nbsd2fbsd.h