diff --git a/math/p5-Math-Geometry-Planar-GPC-Polygon/Makefile b/math/p5-Math-Geometry-Planar-GPC-Polygon/Makefile
index fbbe819e2f54..a83a30badaa3 100644
--- a/math/p5-Math-Geometry-Planar-GPC-Polygon/Makefile
+++ b/math/p5-Math-Geometry-Planar-GPC-Polygon/Makefile
@@ -18,6 +18,10 @@ BUILD_DEPENDS=	p5-Inline>=0:${PORTSDIR}/devel/p5-Inline \
 		p5-Inline-C>=0:${PORTSDIR}/devel/p5-Inline-C
 RUN_DEPENDS:=	${BUILD_DEPENDS}
 
+BROKEN=		module is not usable: "The extension 'Math::Geometry::Planar::GPC::Polygon'\
+		is not properly installed in path: 'blib/arch'". You may try\
+		math/Math-Geometry-Planar-GPC-PolygonXS instead
+
 USES=		perl5
 USE_PERL5=	configure
 MAKE_JOBS_UNSAFE=	yes