diff --git a/dev-cpp/exprtk/exprtk-0.0.3.ebuild b/dev-cpp/exprtk/exprtk-0.0.3.ebuild
index 0a10a766f97cc..37776e97aeba0 100644
--- a/dev-cpp/exprtk/exprtk-0.0.3.ebuild
+++ b/dev-cpp/exprtk/exprtk-0.0.3.ebuild
@@ -17,7 +17,7 @@ SRC_URI="
 
 LICENSE="MIT"
 SLOT="0"
-KEYWORDS="~amd64 ~arm ~arm64 ~riscv ~x86"
+KEYWORDS="~amd64 ~arm ~arm64 ~ppc64 ~riscv ~x86"
 
 DOCS=( readme.txt )