diff --git a/app-arch/unrar/patches/unrar-5.8.1.patchset b/app-arch/unrar/patches/unrar-5.8.1.patchset
new file mode 100644
index 000000000..647163d4e
--- /dev/null
+++ b/app-arch/unrar/patches/unrar-5.8.1.patchset
@@ -0,0 +1,21 @@
+From 1c19dea55d375f6968ce54a51ab42958347726a8 Mon Sep 17 00:00:00 2001
+From: Jerome Duval <jerome.duval@gmail.com>
+Date: Mon, 12 May 2014 18:07:44 +0000
+Subject: initial Haiku patch
+
+
+diff --git a/archive.hpp b/archive.hpp
+index fd33ac3..787977b 100644
+--- a/archive.hpp
++++ b/archive.hpp
+@@ -67,7 +67,6 @@ class Archive:public File
+     size_t SearchSubBlock(const wchar *Type);
+     size_t SearchRR();
+     void WriteBlock(HEADER_TYPE HeaderType,BaseBlock *wb=NULL,bool OnlySetSize=false,bool NonFinalWrite=false);
+-    void SetBlockSize(HEADER_TYPE HeaderType,BaseBlock *wb=NULL) {WriteBlock(HeaderType,wb,true);}
+     size_t ReadHeader();
+     void CheckArc(bool EnableBroken);
+     void CheckOpen(const wchar *Name);
+-- 
+2.16.2
+
diff --git a/app-arch/unrar/unrar-5.8.1.recipe b/app-arch/unrar/unrar-5.8.1.recipe
new file mode 100644
index 000000000..8d3903302
--- /dev/null
+++ b/app-arch/unrar/unrar-5.8.1.recipe
@@ -0,0 +1,112 @@
+SUMMARY="Uncompress rar files"
+DESCRIPTION="UnRAR decompresses rar files. It is a powerful archive manager \
+that can backup your data and reduce the size of email attachments. UnRAR can \
+decompress the following file formats:
+- RAR
+- ZIP
+- CAB
+- ARJ
+- JZH
+- TAR
+- GZ and TAR.GZ
+- BZ2 and TAR.BZ2
+- ACE
+- UUE
+- JAR (Java Archive)
+- ISO
+- 7Z
+- XZ
+- Z (Unix Compress)"
+HOMEPAGE="https://www.rarlab.com/rar_add.htm"
+COPYRIGHT="1993-2018 Alexander Roshal"
+LICENSE="UnRAR"
+REVISION="1"
+SOURCE_URI="https://www.rarlab.com/rar/unrarsrc-$portVersion.tar.gz"
+CHECKSUM_SHA256="035f1f436f0dc2aea09aec146b9cc3e47ca2442f2c62b4ad9374c7c9cc20e632"
+SOURCE_DIR="unrar"
+PATCHES="unrar-$portVersion.patchset"
+ADDITIONAL_FILES="
+	test.rar
+	unrar.rdef
+	"
+
+ARCHITECTURES="x86_gcc2 x86 x86_64"
+
+PROVIDES="
+	unrar = $portVersion
+	cmd:unrar = $portVersion
+	devel:libunrar = $portVersion
+	lib:libunrar = $portVersion
+	"
+REQUIRES="
+	haiku
+	"
+
+BUILD_REQUIRES="
+	haiku_devel
+	"
+BUILD_PREREQUIRES="
+	cmd:cut
+	cmd:g++
+	cmd:make
+	cmd:sed
+	"
+
+PATCH()
+{
+	if [ "$effectiveTargetArchitecture" = x86_gcc2 ]; then
+		sed -i \
+			-e "/^CXXFLAGS=/ s/ -Wno-logical-op-parentheses//;" \
+			-e "/^CXXFLAGS=/ s/ -Wno-dangling-else//;" \
+			makefile
+	fi
+	sed -i -e "/^LDFLAGS=/ d;" makefile
+}
+
+BUILD()
+{
+	local MAJOR="`echo "$portVersion" | cut -d. -f1`"
+	local MIDDLE="`echo "$portVersion" | cut -d. -f2`"
+	local MINOR="`echo "$portVersion" | cut -d. -f3`"
+	sed \
+		-e "s|@MAJOR@|$MAJOR|" \
+		-e "s|@MIDDLE@|$MIDDLE|" \
+		-e "s|@MINOR@|$MINOR|" \
+		"$portDir"/additional-files/unrar.rdef > unrar.rdef
+
+	for i in unrar lib sfx; do
+		mkdir -p $i
+		cd $i
+		ln -f -s ../*.cpp ../*.hpp ../makefile .
+		CPPFLAGS="-D_BSD_SOURCE" LDFLAGS="-lbsd" make $i
+		cd ..
+	done
+}
+
+INSTALL()
+{
+	install -d "$libDir"/unrar
+	install -t "$libDir"/unrar sfx/default.sfx
+	for i in unrar lib; do
+		make -C $i DESTDIR="$prefix" install-$i
+	done
+	rm "$libDir"/libunrar.a
+
+	prepareInstalledDevelLib libunrar
+
+	addResourcesToBinaries unrar.rdef "$binDir"/unrar
+	mimeset -f "$binDir"/unrar
+}
+
+TEST()
+{
+	rm -rf dir
+	"$sourceDir"/unrar/unrar x "$portDir"/additional-files/test.rar
+	test "`cat dir/haiku.txt`" = Haiku
+
+	cat sfx/default.sfx "$portDir"/additional-files/test.rar >dir/sfxtest
+	cd dir
+	chmod +x sfxtest
+	./sfxtest
+	test "`cat dir/haiku.txt`" = Haiku
+}