diff --git a/dev-python/backports/backports-1.0.ebuild b/dev-python/backports/backports-1.0.ebuild
index 0936b79a6007c..148b8769b4cc6 100644
--- a/dev-python/backports/backports-1.0.ebuild
+++ b/dev-python/backports/backports-1.0.ebuild
@@ -1,4 +1,4 @@
-# Copyright 1999-2017 Gentoo Foundation
+# Copyright 1999-2018 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=5
@@ -12,6 +12,6 @@ SRC_URI="https://dev.gentoo.org/~radhermit/dist/${P}.tar.gz"
 
 LICENSE="PYTHON"
 SLOT="0"
-KEYWORDS="alpha amd64 arm arm64 hppa ia64 ~mips ppc ppc64 sparc x86 ~amd64-linux ~x86-linux ~x64-macos ~x86-macos"
+KEYWORDS="alpha amd64 arm arm64 hppa ia64 ~mips ppc ppc64 sparc x86 ~x64-cygwin ~amd64-linux ~x86-linux ~x64-macos ~x86-macos"
 
 RDEPEND="!<dev-python/backports-lzma-0.0.2-r1"