diff --git a/dev-python/isoduration/isoduration-20.11.0.ebuild b/dev-python/isoduration/isoduration-20.11.0.ebuild
index 54bb5d2d4db33..8057717a74c7e 100644
--- a/dev-python/isoduration/isoduration-20.11.0.ebuild
+++ b/dev-python/isoduration/isoduration-20.11.0.ebuild
@@ -16,7 +16,7 @@ SRC_URI="
 
 LICENSE="ISC"
 SLOT="0"
-KEYWORDS="~alpha amd64 arm arm64 hppa ~ia64 ~mips ppc ppc64 ~riscv ~s390 sparc x86"
+KEYWORDS="~alpha amd64 arm arm64 hppa ~ia64 ~m68k ~mips ppc ppc64 ~riscv ~s390 sparc x86"
 
 RDEPEND=">=dev-python/arrow-0.15.0[${PYTHON_USEDEP}]"
 BDEPEND="