diff --git a/community/mkvtoolnix/APKBUILD b/community/mkvtoolnix/APKBUILD
index dcf2c90a12acddf08727d23628d4b668cb92a562..cd7cda2a7bf728e0e1566262175920d910852ecd 100644
--- a/community/mkvtoolnix/APKBUILD
+++ b/community/mkvtoolnix/APKBUILD
@@ -9,7 +9,8 @@ url="https://mkvtoolnix.download/index.html"
 # armhf blocked by qtmultimedia -> qtdeclarative
 # mips64 blocked by boost -> old kernel
 # https://gitlab.alpinelinux.org/alpine/aports/-/issues/12327#note_137460
-arch="all !armhf !mips64"
+# riscv64 blocked by fatal error: boost/core/use_default.hpp: No such file or directory
+arch="all !armhf !mips64 !riscv64"
 license="GPL-2.0-only"
 makedepends="boost-dev docbook-xsl file-dev flac-dev gtest-dev pcre2-dev
 	libmatroska-dev libogg-dev libvorbis-dev ruby-json ruby-rake zlib-dev