diff --git a/dev-ml/bos/bos-0.1.6.ebuild b/dev-ml/bos/bos-0.1.6.ebuild
index 5f7598f42cb02..b488b44889156 100644
--- a/dev-ml/bos/bos-0.1.6.ebuild
+++ b/dev-ml/bos/bos-0.1.6.ebuild
@@ -9,7 +9,7 @@ SRC_URI="https://erratique.ch/software/bos/releases/${P}.tbz"
 
 LICENSE="ISC"
 SLOT="0/${PV}"
-KEYWORDS="amd64 arm arm64 ppc ppc64 x86"
+KEYWORDS="amd64 arm arm64 ~ppc ppc64 x86"
 IUSE="test"
 RESTRICT="!test? ( test )"
 
diff --git a/dev-ml/bos/bos-0.2.0-r1.ebuild b/dev-ml/bos/bos-0.2.0-r1.ebuild
index f855848aa0a63..16419fa8caa9e 100644
--- a/dev-ml/bos/bos-0.2.0-r1.ebuild
+++ b/dev-ml/bos/bos-0.2.0-r1.ebuild
@@ -9,7 +9,7 @@ SRC_URI="https://erratique.ch/software/bos/releases/${P}.tbz"
 
 LICENSE="ISC"
 SLOT="0/${PV}"
-KEYWORDS="amd64 arm arm64 ppc ppc64 ~x86"
+KEYWORDS="amd64 arm arm64 ~ppc ppc64 ~x86"
 IUSE="test"
 RESTRICT="!test? ( test )"