diff --git a/net/ntpsec/Makefile b/net/ntpsec/Makefile
index 2f21af4c10b2..90bd8121b962 100644
--- a/net/ntpsec/Makefile
+++ b/net/ntpsec/Makefile
@@ -1,38 +1,39 @@
 PORTNAME=	ntpsec
 DISTVERSIONPREFIX=	NTPsec_
 DISTVERSION=	1_2_1-52
+PORTREVISION=	1
 DISTVERSIONSUFFIX=	-g5943108da
 CATEGORIES=	net
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Network Time Protocol suite, refactored
 
 LICENSE=	BSD2CLAUSE
 
 LIB_DEPENDS=	libdns_sd.so:net/mDNSResponder
 
 USES=		cpe bison gettext-runtime pkgconfig python shebangfix ssl waf
 USE_GITHUB=	yes
 USE_LDCONFIG=	${PREFIX}/lib/ntp
 
 SHEBANG_FILES=	${WRKSRC}/ntpclients/ntp*.py
 python_OLD_CMD=	@PYSHEBANG@
 
 CONFLICTS=	ntp ntp-devel openntpd
 
 MAKE_ENV=	NOSYNC=1 # workaround for the console problem: https://gitlab.com/NTPsec/ntpsec/issues/599
 
 TEST_TARGET=	check
 
 OPTIONS_DEFINE=			DOCS
 
 DOCS_CONFIGURE_ENABLE=	doc
 DOCS_BUILD_DEPENDS=	asciidoctor:textproc/rubygem-asciidoctor # alternatively ntpsec can use asciidoc:textproc/asciidoc but it prefers asciidoctor
 
 PORTSCOUT=	limit:^\d+\. # prevent alpha-numeric strings
 
 post-install: # autoplist: plist varies depending on the python version
 	@cd ${STAGEDIR}${PREFIX} && \
 		${FIND} * -type f -or -type l | ${SED} -e 's|^share/man/.*|&.gz|' >> ${TMPPLIST}
 
 .include <bsd.port.mk>
diff --git a/net/ntpsec/files/patch-ntpclients_ntpviz.py b/net/ntpsec/files/patch-ntpclients_ntpviz.py
new file mode 100644
index 000000000000..0d33fcd26f92
--- /dev/null
+++ b/net/ntpsec/files/patch-ntpclients_ntpviz.py
@@ -0,0 +1,10 @@
+--- ntpclients/ntpviz.py.original	2022-02-14 19:02:54.755920000 +0100
++++ ntpclients/ntpviz.py	2022-02-14 19:03:27.065022000 +0100
+@@ -1620,6 +1620,7 @@
+             sys.stderr.write("ntpviz: INFO: now running at nice: %s\n" % nice)
+ 
+     for fontpath in ("@PREFIX@/share/fonts/liberation",
++                     "@PREFIX@/share/fonts/Liberation",
+                      "@PREFIX@/share/fonts/liberation-fonts",
+                      "@PREFIX@/share/fonts/truetype/liberation",
+                      "/usr/share/fonts/liberation",