diff --git a/dev-ml/cppo/cppo-1.4.1.ebuild b/dev-ml/cppo/cppo-1.4.1.ebuild
index 6084171c90691..d460ede5c79a5 100644
--- a/dev-ml/cppo/cppo-1.4.1.ebuild
+++ b/dev-ml/cppo/cppo-1.4.1.ebuild
@@ -12,7 +12,7 @@ SRC_URI="https://github.com/mjambon/cppo/archive/v${PV}.tar.gz -> ${P}.tar.gz"
 
 SLOT="0/${PV}"
 LICENSE="BSD"
-KEYWORDS="amd64"
+KEYWORDS="amd64 x86"
 
 IUSE="examples"