diff --git a/dev-cpp/prometheus-cpp/prometheus-cpp-0.12.3.ebuild b/dev-cpp/prometheus-cpp/prometheus-cpp-0.12.3.ebuild
index dca730a03e417..62457df73986c 100644
--- a/dev-cpp/prometheus-cpp/prometheus-cpp-0.12.3.ebuild
+++ b/dev-cpp/prometheus-cpp/prometheus-cpp-0.12.3.ebuild
@@ -11,7 +11,7 @@ SRC_URI="https://github.com/jupp0r/${PN}/archive/v${PV}.tar.gz -> ${P}.tar.gz"
 
 LICENSE="MIT"
 SLOT="0"
-KEYWORDS="~amd64 ~x86"
+KEYWORDS="~amd64 ~riscv ~x86"
 IUSE="test zlib"
 
 RESTRICT="!test? ( test )"