diff --git a/sys-devel/clang-runtime/clang-runtime-6.0.0.ebuild b/sys-devel/clang-runtime/clang-runtime-6.0.0.ebuild
index c333e6bfcab84..da0933c9b990b 100644
--- a/sys-devel/clang-runtime/clang-runtime-6.0.0.ebuild
+++ b/sys-devel/clang-runtime/clang-runtime-6.0.0.ebuild
@@ -11,7 +11,7 @@ SRC_URI=""
 
 LICENSE="metapackage"
 SLOT="${PV%_*}"
-KEYWORDS="~amd64 ~x86 ~amd64-fbsd ~amd64-linux ~ppc-macos ~x64-macos ~x86-macos"
+KEYWORDS="~amd64 ~arm64 ~x86 ~amd64-fbsd ~amd64-linux ~ppc-macos ~x64-macos ~x86-macos"
 IUSE="+compiler-rt libcxx openmp +sanitize"
 
 RDEPEND="