diff --git a/dev-ruby/celluloid-fsm/celluloid-fsm-0.20.5.ebuild b/dev-ruby/celluloid-fsm/celluloid-fsm-0.20.5.ebuild
index 37c22413bbade..b051bb516afa3 100644
--- a/dev-ruby/celluloid-fsm/celluloid-fsm-0.20.5.ebuild
+++ b/dev-ruby/celluloid-fsm/celluloid-fsm-0.20.5.ebuild
@@ -18,7 +18,7 @@ IUSE=""
 SLOT="0"
 
 LICENSE="MIT"
-KEYWORDS="~amd64 ~arm"
+KEYWORDS="~amd64 ~arm ~ppc-macos ~x64-macos ~x86-macos ~sparc-solaris ~sparc64-solaris ~x64-solaris ~x86-solaris"
 
 ruby_add_rdepend "
 	>=dev-ruby/timers-4.1.1"