diff --git a/textproc/asciidoc/Makefile b/textproc/asciidoc/Makefile
index d0a3689b81c..fc5b89d0408 100644
--- a/textproc/asciidoc/Makefile
+++ b/textproc/asciidoc/Makefile
@@ -2,7 +2,7 @@
 # $FreeBSD$
 
 PORTNAME=	asciidoc
-PORTVERSION=	9.0.0
+PORTVERSION=	9.0.1
 CATEGORIES=	textproc
 
 MAINTAINER=	sunpoet@FreeBSD.org
@@ -27,7 +27,7 @@ GH_PROJECT=	asciidoc-py3
 SHEBANG_GLOB=	*.py
 
 post-patch:
-	@${REINPLACE_CMD} -e '/^INSTALL_PROG/ s|INSTALL_PROGRAM|INSTALL_SCRIPT|; s|\.conf|&.sample|; s|python3 |${PYTHON_CMD} |' ${WRKSRC}/Makefile.in
+	@${REINPLACE_CMD} -e 's|python3 |${PYTHON_CMD} |' ${WRKSRC}/Makefile.in
 	@${REINPLACE_CMD} -e 's|/usr/local|${LOCALBASE}|' ${WRKSRC}/a2x.py
 	@${FIND} ${WRKSRC} -name '*.conf' | ${XARGS} -I % ${LN} % %.sample
 
diff --git a/textproc/asciidoc/distinfo b/textproc/asciidoc/distinfo
index 6b297c3595e..653cb48ea79 100644
--- a/textproc/asciidoc/distinfo
+++ b/textproc/asciidoc/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1592325668
-SHA256 (asciidoc-asciidoc-py3-9.0.0_GH0.tar.gz) = 04f219e24476ce169508917766e93279d13b3de69ae9ce40fdfd908162e441c4
-SIZE (asciidoc-asciidoc-py3-9.0.0_GH0.tar.gz) = 1142656
+TIMESTAMP = 1593249339
+SHA256 (asciidoc-asciidoc-py3-9.0.1_GH0.tar.gz) = 73af9ee590b050e9f46ef85eb7756944dffdc9b3333e3e60c153a6e1f1de0ba5
+SIZE (asciidoc-asciidoc-py3-9.0.1_GH0.tar.gz) = 1143167
diff --git a/textproc/asciidoc/files/patch-Makefile.in b/textproc/asciidoc/files/patch-Makefile.in
new file mode 100644
index 00000000000..fa9fe52bfb8
--- /dev/null
+++ b/textproc/asciidoc/files/patch-Makefile.in
@@ -0,0 +1,50 @@
+--- Makefile.in.orig	2020-06-02 05:11:24 UTC
++++ Makefile.in
+@@ -10,7 +10,7 @@
+ .NOTPARALLEL:
+ 
+ INSTALL = @INSTALL@
+-INSTALL_PROG = @INSTALL_PROGRAM@
++INSTALL_PROG = @INSTALL_SCRIPT@
+ INSTALL_DATA = @INSTALL_DATA@
+ PACKAGE_TARNAME = @PACKAGE_TARNAME@
+ SED = @SED@
+@@ -37,32 +37,32 @@ progdir = $(bindir)
+ manp = $(patsubst %1.txt,%1,$(wildcard doc/*.1.txt))
+ manpdir = $(mandir)/man1
+ 
+-conf = $(wildcard *.conf)
++conf = $(wildcard *.conf.sample)
+ confdir = $(ASCIIDOCCONF)
+ 
+ filtersdir = $(ASCIIDOCCONF)/filters
+ 
+ codefilter = filters/code/code-filter.py
+ codefilterdir = $(filtersdir)/code
+-codefilterconf = filters/code/code-filter.conf
++codefilterconf = filters/code/code-filter.conf.sample
+ codefilterconfdir = $(filtersdir)/code
+ 
+ graphvizfilter = filters/graphviz/graphviz2png.py
+ graphvizfilterdir = $(filtersdir)/graphviz
+-graphvizfilterconf = filters/graphviz/graphviz-filter.conf
++graphvizfilterconf = filters/graphviz/graphviz-filter.conf.sample
+ graphvizfilterconfdir = $(filtersdir)/graphviz
+ 
+ musicfilter = filters/music/music2png.py
+ musicfilterdir = $(filtersdir)/music
+-musicfilterconf = filters/music/music-filter.conf
++musicfilterconf = filters/music/music-filter.conf.sample
+ musicfilterconfdir = $(filtersdir)/music
+ 
+-sourcefilterconf = filters/source/source-highlight-filter.conf
++sourcefilterconf = filters/source/source-highlight-filter.conf.sample
+ sourcefilterconfdir = $(filtersdir)/source
+ 
+ latexfilter = filters/latex/latex2img.py
+ latexfilterdir = $(filtersdir)/latex
+-latexfilterconf = filters/latex/latex-filter.conf
++latexfilterconf = filters/latex/latex-filter.conf.sample
+ latexfilterconfdir = $(filtersdir)/latex
+ 
+ unwraplatexfilter = filters/unwraplatex.py