diff --git a/devel/qcoro/Makefile b/devel/qcoro/Makefile
index ebe2af46e180..6728c306e363 100644
--- a/devel/qcoro/Makefile
+++ b/devel/qcoro/Makefile
@@ -1,32 +1,35 @@
 PORTNAME=	qcoro
 DISTVERSIONPREFIX=	v
 DISTVERSION=	0.8.0
 CATEGORIES=	devel kde
 PKGNAMESUFFIX=	-${FLAVOR}
 
 MAINTAINER=	kde@FreeBSD.org
 COMMENT=	Coroutines for Qt
 WWW=		https://github.com/danvratil/qcoro
 
 LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/LICENSES/MIT.txt
 
 FLAVORS=	qt5 qt6
 FLAVOR?=	qt5
 
 USES=		cmake compiler:c++17-lang pkgconfig qt:${FLAVOR:S/qt//}
 USE_GITHUB=	yes
 GH_ACCOUNT=	danvratil
 _USE_QT_qt5=	concurrent core dbus declarative network testlib websockets \
 		buildtools:build qmake:build
 _USE_QT_qt6=	base websockets
 USE_QT=		${_USE_QT_${FLAVOR}}
 
 CMAKE_OFF=	QCORO_BUILD_EXAMPLES
 CMAKE_ARGS=	-DUSE_QT_VERSION=${FLAVOR:S/qt//}
 
 PLIST_SUB=	QT_VER=${FLAVOR:S/qt//}
 
+# XXX Drop after FreeBSD 12.3 EOL around 2023-03-31
+.if exists(/usr/include/c++/v1) && !exists(/usr/include/c++/v1/concepts)
 BROKEN_FreeBSD_12=	requires recent C++ compiler
+.endif
 
 .include <bsd.port.mk>