diff --git a/sci-libs/arpack/arpack-3.8.0.ebuild b/sci-libs/arpack/arpack-3.8.0.ebuild
index f9436b09d1c60..2e2244cc90193 100644
--- a/sci-libs/arpack/arpack-3.8.0.ebuild
+++ b/sci-libs/arpack/arpack-3.8.0.ebuild
@@ -15,7 +15,7 @@ SRC_URI="
 
 LICENSE="BSD"
 SLOT="0"
-KEYWORDS="amd64 arm arm64 ~hppa ppc ppc64 ~riscv ~s390 ~sparc x86 ~amd64-linux ~x86-linux ~ppc-macos"
+KEYWORDS="amd64 arm arm64 ~hppa ~ia64 ppc ppc64 ~riscv ~s390 ~sparc x86 ~amd64-linux ~x86-linux ~ppc-macos"
 IUSE="doc examples mpi"
 
 RDEPEND="