diff --git a/dev-ruby/regexp_parser/regexp_parser-2.1.1-r1.ebuild b/dev-ruby/regexp_parser/regexp_parser-2.1.1-r1.ebuild
index 32c0b152b212b..71af079020896 100644
--- a/dev-ruby/regexp_parser/regexp_parser-2.1.1-r1.ebuild
+++ b/dev-ruby/regexp_parser/regexp_parser-2.1.1-r1.ebuild
@@ -18,7 +18,7 @@ SRC_URI="https://github.com/ammar/regexp_parser/archive/v${PV}.tar.gz -> ${P}.ta
 
 LICENSE="MIT"
 SLOT="$(ver_cut 1)"
-KEYWORDS="~amd64 ~arm ~arm64 ~sparc"
+KEYWORDS="~amd64 ~arm ~arm64 ~hppa ~sparc"
 IUSE=""
 
 DEPEND+=" =dev-util/ragel-6*"