diff --git a/sysutils/tai64nfrac/Makefile b/sysutils/tai64nfrac/Makefile
index 77e4127aafee..6818d98febe2 100644
--- a/sysutils/tai64nfrac/Makefile
+++ b/sysutils/tai64nfrac/Makefile
@@ -1,13 +1,14 @@
 PORTNAME=	tai64nfrac
 PORTVERSION=	1.4
+PORTREVISION=	1
 CATEGORIES=	sysutils
 MASTER_SITES=	http://archives.eyrie.org/software/system/ \
 		http://linux4u.jinr.ru/pub/OpenAFS/eyrie/software/system/
 
 MAINTAINER=	paulo@nlink.com.br
 COMMENT=	Convert tai64n format invented by Dan Bernstein
 WWW=		https://www.eyrie.org/~eagle/software/tai64nfrac/
 
-PLIST_FILES=	bin/tai64nfrac man/man1/tai64nfrac.1.gz
+PLIST_FILES=	bin/tai64nfrac share/man/man1/tai64nfrac.1.gz
 
 .include <bsd.port.mk>
diff --git a/sysutils/tai64nfrac/files/patch-makefile b/sysutils/tai64nfrac/files/patch-makefile
index 0ab91fe3d44b..7ed5fed48c89 100644
--- a/sysutils/tai64nfrac/files/patch-makefile
+++ b/sysutils/tai64nfrac/files/patch-makefile
@@ -1,28 +1,28 @@
 --- Makefile.orig	2003-03-10 10:33:41.000000000 +0800
 +++ Makefile	2014-06-29 23:19:14.368465195 +0800
 @@ -4,10 +4,9 @@
  prefix		= /usr/local
  exec_prefix	= /usr/local
  bindir		= $(prefix)/bin
 -mandir		= $(prefix)/man
 -man1dir		= $(mandir)/man1
-+mandir		= $(prefix)/man/man1
++mandir		= $(prefix)/share/man/man1
  
 -CC		= gcc
 +CC		?= gcc
  CFLAGS		= -g -O
  LDFLAGS		=
  LIBS		=
 @@ -25,10 +24,8 @@ tai64nfrac.1: tai64nfrac.pod
  	    --section=1 $< > $@
  
  install: tai64nfrac tai64nfrac.1
 -	mkdir -p $(bindir)
 -	cp tai64nfrac $(bindir)
 -	mkdir -p $(man1dir)
 -	cp tai64nfrac.1 $(man1dir)
 +	$(BSD_INSTALL_PROGRAM) tai64nfrac $(DESTDIR)$(bindir)
 +	$(BSD_INSTALL_MAN) tai64nfrac.1 $(DESTDIR)$(mandir)
  
  clean:
  	rm -f *.o tai64nfrac