diff --git a/dev-libs/libsigc++/libsigc++-3.2.0.ebuild b/dev-libs/libsigc++/libsigc++-3.2.0.ebuild
index 8851111453b8c..e4279b5026226 100644
--- a/dev-libs/libsigc++/libsigc++-3.2.0.ebuild
+++ b/dev-libs/libsigc++/libsigc++-3.2.0.ebuild
@@ -10,7 +10,7 @@ HOMEPAGE="https://libsigcplusplus.github.io/libsigcplusplus/
 
 LICENSE="LGPL-2.1+"
 SLOT="3"
-KEYWORDS="~alpha amd64 ~arm ~arm64 ~hppa ~ia64 ~mips ~ppc ~ppc64 ~s390 ~sparc ~x86 ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos ~sparc-solaris ~x64-solaris ~x86-solaris"
+KEYWORDS="~alpha amd64 ~arm ~arm64 ~hppa ~ia64 ~mips ~ppc ~ppc64 ~s390 ~sparc x86 ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos ~sparc-solaris ~x64-solaris ~x86-solaris"
 IUSE="doc examples test"
 RESTRICT="!test? ( test )"