diff --git a/dev-ml/camlp5/camlp5-6.15.ebuild b/dev-ml/camlp5/camlp5-6.15.ebuild
index 4fcf3b9f748d3..c27411ac75e83 100644
--- a/dev-ml/camlp5/camlp5-6.15.ebuild
+++ b/dev-ml/camlp5/camlp5-6.15.ebuild
@@ -13,7 +13,7 @@ SRC_URI="http://camlp5.gforge.inria.fr/distrib/src/${MY_P}.tgz"
 
 LICENSE="BSD"
 SLOT="0/${PV}"
-KEYWORDS="~amd64 ~ppc ~x86 ~x86-fbsd"
+KEYWORDS="~alpha ~amd64 ~ppc ~x86 ~x86-fbsd"
 IUSE="doc +ocamlopt"
 
 DEPEND=">=dev-lang/ocaml-3.10:=[ocamlopt?]"
diff --git a/dev-ml/camlp5/camlp5-6.16.ebuild b/dev-ml/camlp5/camlp5-6.16.ebuild
index 4fcf3b9f748d3..c27411ac75e83 100644
--- a/dev-ml/camlp5/camlp5-6.16.ebuild
+++ b/dev-ml/camlp5/camlp5-6.16.ebuild
@@ -13,7 +13,7 @@ SRC_URI="http://camlp5.gforge.inria.fr/distrib/src/${MY_P}.tgz"
 
 LICENSE="BSD"
 SLOT="0/${PV}"
-KEYWORDS="~amd64 ~ppc ~x86 ~x86-fbsd"
+KEYWORDS="~alpha ~amd64 ~ppc ~x86 ~x86-fbsd"
 IUSE="doc +ocamlopt"
 
 DEPEND=">=dev-lang/ocaml-3.10:=[ocamlopt?]"