diff --git a/dev-libs/9libs/9libs-1.0-r4.ebuild b/dev-libs/9libs/9libs-1.0-r4.ebuild
index b8a794c0c29b1..bb14ac5ccbf21 100644
--- a/dev-libs/9libs/9libs-1.0-r4.ebuild
+++ b/dev-libs/9libs/9libs-1.0-r4.ebuild
@@ -10,7 +10,7 @@ SRC_URI="https://www.netlib.org/research/9libs/${P}.tar.bz2"
 
 LICENSE="PLAN9"
 SLOT="0"
-KEYWORDS="amd64 x86"
+KEYWORDS="amd64 ~riscv x86"
 
 DEPEND="
 	>=x11-libs/libX11-1.0.0