diff --git a/devel/lace/Makefile b/devel/lace/Makefile
index 8d64462f5496..6fccbcba1f8b 100644
--- a/devel/lace/Makefile
+++ b/devel/lace/Makefile
@@ -1,27 +1,29 @@
 PORTNAME=	lace
 DISTVERSIONPREFIX=	v
 DISTVERSION=	1.4.2
 CATEGORIES=	devel
 PKGNAMESUFFIX=	-work-stealing
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Implementation of work-stealing in C
 WWW=		https://github.com/trolando/lace
 
 LICENSE=	APACHE20
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 BROKEN_i386=	compilation fails: static assertion failed due to requirement '(sizeof(struct _Task) % 64) == 0': Task size should be a multiple of LINE_SIZE
 
 USES=		cmake:testing
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	trolando
 
 CMAKE_ON=		BUILD_SHARED_LIBS
 CMAKE_OFF=		LACE_BUILD_TESTS
 CMAKE_TESTING_ON=	LACE_BUILD_TESTS
 
+PORTSCOUT=	limit:^.*[0-9]+\.[0-9]+\.[0-9]+$$ # prevent tags like mucocos_2014_ri
+
 # tests as of 1.4.2: 100% tests passed, 0 tests failed out of 2
 
 .include <bsd.port.mk>