diff --git a/dev-util/guideml/guideml-3.15.2.recipe b/dev-util/guideml/guideml-3.16.1.recipe
similarity index 82%
rename from dev-util/guideml/guideml-3.15.2.recipe
rename to dev-util/guideml/guideml-3.16.1.recipe
index 82771858f..ac262ade8 100644
--- a/dev-util/guideml/guideml-3.15.2.recipe
+++ b/dev-util/guideml/guideml-3.16.1.recipe
@@ -22,16 +22,16 @@ Bar (supported by Mozila)
 * @WORDWRAP and @SMARTWRAP guides convert correctly
 * MS-DOS file suffix is generated optionally (.htm)
 * Lots more!"
-HOMEPAGE="https://github.com/pulkomandy/guideml"
-COPYRIGHT="1997 Richard Koerber, 2001-2008 Chris Young, \
-2013-2017 Adrien Destugues"
+HOMEPAGE="https://www.unsatisfactorysoftware.co.uk/index.php?pg=guideml"
+COPYRIGHT="1997 Richard Koerber, 2001-2021 Chris Young, \
+2013-2022 Adrien Destugues"
 LICENSE="GNU GPL v2"
 REVISION="1"
 SOURCE_URI="https://github.com/pulkomandy/guideml/archive/$portVersion.tar.gz"
-CHECKSUM_SHA256="6ce5d91faa389feedf570a94db84a3c64790ef57980dd01045e113d720e844e5"
-SOURCE_DIR="guideml-3.15.2"
+CHECKSUM_SHA256="f329bcec55072cc04d14efdc3883637087629f37bd18e16a36dd020640b3fad6"
+SOURCE_DIR="guideml-3.16.1"
 
-ARCHITECTURES="?all x86_gcc2"
+ARCHITECTURES="all"
 SECONDARY_ARCHITECTURES="x86"
 
 PROVIDES="
@@ -52,7 +52,7 @@ BUILD_PREREQUIRES="
 
 BUILD()
 {
-	make $jobArgs
+	make $jobArgs -f Makefile.Haiku
 	./guideml FILE=GuideML.guide SF
 }
 
@@ -62,5 +62,5 @@ INSTALL()
 	mkdir -p $documentationDir
 
 	cp guideml $binDir
-	cp guideml.guide.html $documentationDir/GuideML.html
+	cp GuideML.guide.html $documentationDir/GuideML.html
 }