diff --git a/net-mgmt/subcalc/Makefile b/net-mgmt/subcalc/Makefile
index c3731d5b7938..3b2915c4583f 100644
--- a/net-mgmt/subcalc/Makefile
+++ b/net-mgmt/subcalc/Makefile
@@ -1,15 +1,16 @@
 PORTNAME=	subcalc
 DISTVERSIONPREFIX=	v
 DISTVERSION=	1.3
+PORTREVISION=	1
 CATEGORIES=	net-mgmt
 
 MAINTAINER=	csjp@FreeBSD.org
 COMMENT=	Advanced IP/IPv6 subnet calculation and discovery
 WWW=		http://www.seccuris.com
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	csjayp
 
-PLIST_FILES=	bin/subcalc man/man1/subcalc.1.gz
+PLIST_FILES=	bin/subcalc share/man/man1/subcalc.1.gz
 
 .include <bsd.port.mk>
diff --git a/net-mgmt/subcalc/files/patch-Makefile b/net-mgmt/subcalc/files/patch-Makefile
index 363210787d9e..2169a11d559c 100644
--- a/net-mgmt/subcalc/files/patch-Makefile
+++ b/net-mgmt/subcalc/files/patch-Makefile
@@ -1,23 +1,23 @@
---- Makefile.orig	2018-06-30 14:11:02.000000000 -0700
-+++ Makefile	2020-03-18 08:43:27.327184000 -0700
-@@ -13,14 +13,14 @@
+--- Makefile.orig	2018-06-30 21:11:02 UTC
++++ Makefile
+@@ -13,14 +13,14 @@ install:
  	$(CC) -o $@ $(OBJS) $(LIBS) $(CFLAGS)
  
  install:
 -	[ -d $(PREFIX)/bin ] || mkdir -p $(PREFIX)/bin
 -	cp subcalc $(PREFIX)/bin
 -	[ -d $(PREFIX)/share/man/man1/ ] || mkdir -p $(PREFIX)/share/man/man1/
 -	cp subcalc.1 $(PREFIX)/share/man/man1/
 +	[ -d $(DESTDIR)$(PREFIX)/bin ] || mkdir -p $(DESTDIR)$(PREFIX)/bin
 +	cp subcalc $(DESTDIR)$(PREFIX)/bin
-+	[ -d $(DESTDIR)$(PREFIX)/man/man1/ ] || mkdir -p $(DESTDIR)$(PREFIX)/man/man1/
-+	cp subcalc.1 $(DESTDIR)$(PREFIX)/man/man1/
++	[ -d $(DESTDIR)$(PREFIX)/share/man/man1/ ] || mkdir -p $(DESTDIR)$(PREFIX)/share/man/man1/
++	cp subcalc.1 $(DESTDIR)$(PREFIX)/share/man/man1/
  
  deinstall:
 -	rm -f $(PREFIX)/share/man/man1/subcalc.1.gz
 -	rm -f $(PREFIX)/bin/subcalc
-+	rm -f $(DESTDIR)$(PREFIX)/man/man1/subcalc.1.gz
++	rm -f $(DESTDIR)$(PREFIX)/share/man/man1/subcalc.1.gz
 +	rm -f $(DESTDIR)$(PREFIX)/bin/subcalc
  
  clean:
  	rm -f subcalc