diff --git a/dev-java/antlr/antlr-4.13.2.ebuild b/dev-java/antlr/antlr-4.13.2.ebuild
index e044e58ae0e9d..68c55cd7ca300 100644
--- a/dev-java/antlr/antlr-4.13.2.ebuild
+++ b/dev-java/antlr/antlr-4.13.2.ebuild
@@ -13,7 +13,7 @@ S="${WORKDIR}/${PN}4-${PV}"
 
 LICENSE="BSD"
 SLOT="4"
-KEYWORDS="amd64 ~arm64 ~ppc64 ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos ~x64-solaris"
+KEYWORDS="amd64 arm64 ~ppc64 ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos ~x64-solaris"
 
 CP_DEPEND="
 	~dev-java/antlr-runtime-${PV}:${SLOT}