diff --git a/app-vim/ntp-syntax/ntp-syntax-20031001-r1.ebuild b/app-vim/ntp-syntax/ntp-syntax-20031001-r1.ebuild
index 1440ffa450931..749cbbcb5d9f8 100644
--- a/app-vim/ntp-syntax/ntp-syntax-20031001-r1.ebuild
+++ b/app-vim/ntp-syntax/ntp-syntax-20031001-r1.ebuild
@@ -9,6 +9,6 @@ DESCRIPTION="vim plugin: ntp.conf syntax highlighting"
 HOMEPAGE="https://www.vim.org/scripts/script.php?script_id=778"
 
 LICENSE="vim"
-KEYWORDS="~alpha amd64 arm arm64 ~hppa ~ia64 ~mips ppc ppc64 ~s390 sparc x86"
+KEYWORDS="~alpha amd64 arm arm64 ~hppa ~ia64 ~mips ppc ppc64 ~riscv ~s390 sparc x86"
 
 VIM_PLUGIN_HELPTEXT="This plugin provides syntax highlighting for ntp.conf files."