diff --git a/devel/kf5-threadweaver/Makefile b/devel/kf5-threadweaver/Makefile
index bdbbe267871a..c24f4f4c6113 100644
--- a/devel/kf5-threadweaver/Makefile
+++ b/devel/kf5-threadweaver/Makefile
@@ -1,13 +1,15 @@
 PORTNAME=	threadweaver
 DISTVERSION=	${KDE_FRAMEWORKS_VERSION}
 CATEGORIES=	devel kde kde-frameworks
 
 MAINTAINER=	kde@FreeBSD.org
 COMMENT=	KF5 helper for multithreaded programming
 
 USES=		cmake compiler:c++11-lib kde:5 qt:5 tar:xz
 USE_KDE=	ecm:build
 USE_QT=		core widgets xml \
 		buildtools:build qmake:build testlib:build
 
+CMAKE_ARGS=	-DCMAKE_POLICY_VERSION_MINIMUM=3.5
+
 .include <bsd.port.mk>