diff --git a/dev-libs/libcss/libcss-0.8.0-r1.ebuild b/dev-libs/libcss/libcss-0.8.0-r1.ebuild
index 0c86ac9cb0591..f360ce390d586 100644
--- a/dev-libs/libcss/libcss-0.8.0-r1.ebuild
+++ b/dev-libs/libcss/libcss-0.8.0-r1.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 ~ppc ~m68k-mint"
+KEYWORDS="~amd64 ~arm ~ppc ~ppc64 ~m68k-mint"
 IUSE="test"
 
 RDEPEND="