diff --git a/dev-libs/libcss/libcss-0.9.2.ebuild b/dev-libs/libcss/libcss-0.9.2.ebuild
index c8b8ba7f7fe59..796f48096c2ac 100644
--- a/dev-libs/libcss/libcss-0.9.2.ebuild
+++ b/dev-libs/libcss/libcss-0.9.2.ebuild
@@ -11,7 +11,7 @@ SRC_URI="https://download.netsurf-browser.org/libs/releases/${P}-src.tar.gz"
 
 LICENSE="MIT"
 SLOT="0/${PV}"
-KEYWORDS="amd64 arm ~arm64 ppc ppc64 ~riscv x86"
+KEYWORDS="amd64 arm ~arm64 ppc ppc64 ~riscv sparc x86"
 IUSE="test"
 
 RESTRICT="!test? ( test )"