diff --git a/dev-perl/PDL/PDL-2.100.0-r1.ebuild b/dev-perl/PDL/PDL-2.100.0-r1.ebuild
index 14bc42def9534..199088a42f0a9 100644
--- a/dev-perl/PDL/PDL-2.100.0-r1.ebuild
+++ b/dev-perl/PDL/PDL-2.100.0-r1.ebuild
@@ -13,7 +13,7 @@ DESCRIPTION="Perl Data Language for scientific computing"
 
 LICENSE="|| ( Artistic GPL-1+ ) public-domain PerlDL"
 SLOT="0"
-KEYWORDS="amd64 ~arm ~ppc ~x86"
+KEYWORDS="amd64 arm ~ppc ~x86"
 IUSE="gd gsl hdf netpbm pgplot test"
 
 # these need another round of review