diff --git a/dev-python/sphinx/sphinx-1.6.3-r2.ebuild b/dev-python/sphinx/sphinx-1.6.3-r2.ebuild
index 2ee98564e8ea1..115fe201822d9 100644
--- a/dev-python/sphinx/sphinx-1.6.3-r2.ebuild
+++ b/dev-python/sphinx/sphinx-1.6.3-r2.ebuild
@@ -14,7 +14,7 @@ SRC_URI="mirror://pypi/S/${PN^}/${P^}.tar.gz"
 
 LICENSE="BSD"
 SLOT="0"
-KEYWORDS="~alpha amd64 arm arm64 hppa ~ia64 x86 ~amd64-linux ~x86-linux ~x64-solaris"
+KEYWORDS="alpha amd64 arm arm64 hppa ia64 ppc ppc64 sparc x86 ~amd64-linux ~x86-linux ~x64-solaris"
 IUSE="doc latex net test"
 
 RDEPEND="