diff --git a/sci-geosciences/grass/grass-8.2.1-r2.ebuild b/sci-geosciences/grass/grass-8.2.1-r2.ebuild
index 3f2fa48bc572b..491dfe74bf6bd 100644
--- a/sci-geosciences/grass/grass-8.2.1-r2.ebuild
+++ b/sci-geosciences/grass/grass-8.2.1-r2.ebuild
@@ -30,7 +30,7 @@ else
 	MY_P="${P/_rc/RC}"
 	SRC_URI="https://grass.osgeo.org/${MY_PM}/source/${MY_P}.tar.gz"
 	if [[ ${PV} != *_rc* ]] ; then
-		KEYWORDS="amd64 x86"
+		KEYWORDS="amd64 ~ppc x86"
 	fi
 
 	S="${WORKDIR}/${MY_P}"
diff --git a/sci-geosciences/grass/grass-9999.ebuild b/sci-geosciences/grass/grass-9999.ebuild
index c335853ae4e44..4b7fab7cb7644 100644
--- a/sci-geosciences/grass/grass-9999.ebuild
+++ b/sci-geosciences/grass/grass-9999.ebuild
@@ -30,7 +30,7 @@ else
 	MY_P="${P/_rc/RC}"
 	SRC_URI="https://grass.osgeo.org/${MY_PM}/source/${MY_P}.tar.gz"
 	if [[ ${PV} != *_rc* ]] ; then
-		KEYWORDS="~amd64 ~x86"
+		KEYWORDS="~amd64 ~ppc ~x86"
 	fi
 
 	S="${WORKDIR}/${MY_P}"