diff --git a/dev-libs/tree-sitter-markdown-inline/tree-sitter-markdown-inline-0.5.3.ebuild b/dev-libs/tree-sitter-markdown-inline/tree-sitter-markdown-inline-0.5.3.ebuild
index df7df0db181bc..91918453c132b 100644
--- a/dev-libs/tree-sitter-markdown-inline/tree-sitter-markdown-inline-0.5.3.ebuild
+++ b/dev-libs/tree-sitter-markdown-inline/tree-sitter-markdown-inline-0.5.3.ebuild
@@ -17,7 +17,7 @@ S="${WORKDIR}"/${MY_P}/${MY_PN}-inline
 
 LICENSE="MIT"
 SLOT="0"
-KEYWORDS="~amd64 ~arm ~arm64 ~ppc ~x86"
+KEYWORDS="~amd64 ~arm ~arm64 ~ppc ~ppc64 ~x86"
 
 # Running the tests requires extensions to be enabled, but the parser
 # generated by upstream does not include the extensions.