diff --git a/deskutils/kdepim-runtime/Makefile b/deskutils/kdepim-runtime/Makefile
index 93f89d7f93f0..bbe55366a3c0 100644
--- a/deskutils/kdepim-runtime/Makefile
+++ b/deskutils/kdepim-runtime/Makefile
@@ -1,43 +1,49 @@
 PORTNAME=	kdepim-runtime
 DISTVERSION=	${KDE_APPLICATIONS_VERSION}
 PORTREVISION=	3
 CATEGORIES=	deskutils kde kde-applications
 
 MAINTAINER=	kde@FreeBSD.org
 COMMENT=	KDE PIM tools and services
 WWW=		https://www.kde.org/
 
 LICENSE=	LGPL21
 
 LIB_DEPENDS=	libboost_date_time.so:devel/boost-libs \
 		libcurl.so:ftp/curl \
 		libkolabxml.so:textproc/libkolabxml \
 		libsasl2.so:security/cyrus-sasl2 \
 		libxerces-c-3.2.so:textproc/xerces-c3 \
 		libqt5keychain.so:security/qtkeychain@qt5
 
 USES=		cmake:noninja compiler:c++11-lib gettext grantlee:5 \
 		kde:5 qca qt:5 shared-mime-info tar:xz xorg
 USE_KDE=	auth bookmarks codecs completion config configwidgets \
 		coreaddons crash dbusaddons guiaddons holidays i18n iconthemes \
 		itemmodels itemviews jobwidgets kcmutils kdav kdelibs4support kio \
 		kross notifications notifyconfig parts service solid sonnet \
 		textwidgets unitconversion wallet widgetsaddons windowsystem \
 		xmlgui
 # pim components
 USE_KDE+=	akonadi akonadicontacts akonadimime akonadinotes \
 		akonadicalendar akonadisearch calendarcore \
 		calendarutils contacts gapi grantleetheme identitymanagement imap \
 		kontactinterface ldap libkdepim mailtransport mbox mime pimcommon \
 		pimtextedit syndication
 USE_QT=		concurrent core dbus declarative gui location network networkauth printsupport speech \
 		script webchannel webengine widgets xml xmlpatterns \
 		buildtools:build qmake:build
 USE_XORG=	x11
 USE_LDCONFIG=	yes
 
 DESCR=		${.CURDIR:H:H}/deskutils/kdepim/pkg-descr
 
 OPTIONS_DEFINE=	DOCS
 
-.include <bsd.port.mk>
+.include <bsd.port.pre.mk>
+
+.if ${CHOSEN_COMPILER_TYPE} == clang && ${COMPILER_VERSION} >= 160
+CXXFLAGS+=	-Wno-error=enum-constexpr-conversion
+.endif
+
+.include <bsd.port.post.mk>