diff --git a/dev-libs/libsigc++/libsigc++-2.12.1.ebuild b/dev-libs/libsigc++/libsigc++-2.12.1.ebuild
index 0eaf8c76008f8..901fee9afae82 100644
--- a/dev-libs/libsigc++/libsigc++-2.12.1.ebuild
+++ b/dev-libs/libsigc++/libsigc++-2.12.1.ebuild
@@ -10,7 +10,7 @@ HOMEPAGE="https://libsigcplusplus.github.io/libsigcplusplus/
 
 LICENSE="LGPL-2.1+"
 SLOT="2"
-KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~loong ~mips ~ppc ~ppc64 ~riscv ~s390 ~sparc ~x86 ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos ~x64-solaris"
+KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~loong ~mips ~ppc ppc64 ~riscv ~s390 ~sparc ~x86 ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos ~x64-solaris"
 IUSE="gtk-doc test"
 RESTRICT="!test? ( test )"