diff --git a/dev-python/readthedocs-sphinx-ext/readthedocs-sphinx-ext-2.1.4.ebuild b/dev-python/readthedocs-sphinx-ext/readthedocs-sphinx-ext-2.1.4.ebuild
index 240addef9ffd2..04c0d566a5564 100644
--- a/dev-python/readthedocs-sphinx-ext/readthedocs-sphinx-ext-2.1.4.ebuild
+++ b/dev-python/readthedocs-sphinx-ext/readthedocs-sphinx-ext-2.1.4.ebuild
@@ -12,7 +12,7 @@ SRC_URI="mirror://pypi/${PN::1}/${PN}/${P}.tar.gz"
 
 LICENSE="MIT"
 SLOT="0"
-KEYWORDS="~alpha amd64 arm arm64 hppa ~ia64 ppc ppc64 ~riscv ~s390 sparc x86"
+KEYWORDS="~alpha amd64 arm arm64 hppa ~ia64 ~m68k ppc ppc64 ~riscv ~s390 sparc x86"
 
 RDEPEND="
 	>=dev-python/jinja-2.9[${PYTHON_USEDEP}]