diff --git a/devel/py-virtualenv/Makefile b/devel/py-virtualenv/Makefile
index 4c846d90f80d..76f758e1f04c 100644
--- a/devel/py-virtualenv/Makefile
+++ b/devel/py-virtualenv/Makefile
@@ -32,7 +32,7 @@ OPTIONS_DEFINE=	DOCS
 
 PYDISTUTILS_BUILDARGS=	-c ${WRKSRC}/docs
 
-USES=		python:3.6+
+USES=		cpe python:3.6+
 USE_GITHUB=	yes
 USE_PYTHON=	autoplist concurrent distutils