diff --git a/textproc/py-cchardet/Makefile b/textproc/py-cchardet/Makefile
index a8b577ce0562..e897fb38d4f8 100644
--- a/textproc/py-cchardet/Makefile
+++ b/textproc/py-cchardet/Makefile
@@ -17,7 +17,7 @@ BUILD_DEPENDS=	${PYTHON_PKGNAMEPREFIX}setuptools>=0:devel/py-setuptools@${PY_FLA
 		${PYTHON_PKGNAMEPREFIX}wheel>=0:devel/py-wheel@${PY_FLAVOR}
 
 USES=		cmake:indirect python
-USE_PYTHON=	autoplist concurrent pep517
+USE_PYTHON=	autoplist concurrent cython pep517
 
 post-install:
 	${FIND} ${STAGEDIR}${PYTHON_SITELIBDIR} -name '*.so' -exec ${STRIP_CMD} {} +