diff --git a/dev-util/itstool/itstool-2.0.6-r1.ebuild b/dev-util/itstool/itstool-2.0.6-r1.ebuild
index 9dd83ba8686a1..18610ce40e3dc 100644
--- a/dev-util/itstool/itstool-2.0.6-r1.ebuild
+++ b/dev-util/itstool/itstool-2.0.6-r1.ebuild
@@ -15,7 +15,7 @@ SRC_URI="http://files.itstool.org/itstool/${P}.tar.bz2"
 # files in /usr/share/itstool/its are under a special exception || GPL-3+
 LICENSE="GPL-3+"
 SLOT="0"
-KEYWORDS="~alpha amd64 arm arm64 hppa ~ia64 ~m68k ~mips ppc ppc64 s390 sparc x86 ~x86-linux"
+KEYWORDS="~alpha amd64 arm arm64 hppa ~ia64 ~m68k ~mips ppc ppc64 s390 sparc x86 ~x86-linux ~x64-macos"
 IUSE=""
 
 REQUIRED_USE="${PYTHON_REQUIRED_USE}"