diff --git a/science/orthanc/Makefile b/science/orthanc/Makefile
index e9d47eca5359..6885fad2743e 100644
--- a/science/orthanc/Makefile
+++ b/science/orthanc/Makefile
@@ -1,62 +1,62 @@
 PORTNAME=	orthanc
 DISTVERSION=	1.12.6
 CATEGORIES=	science
 MASTER_SITES=	https://orthanc.uclouvain.be/downloads/sources/orthanc/
 DISTNAME=	Orthanc-${PORTVERSION}
 
 MAINTAINER=	maintainer.freebsd@xpoundit.com
 COMMENT=	Lightweight DICOM server for healthcare and medical research
 WWW=		https://www.orthanc-server.com/
 
 LICENSE=	GPLv3
 LICENSE_FILE=	${WRKSRC}/COPYING
 
 BUILD_DEPENDS=	protoc:devel/protobuf
 
 LIB_DEPENDS=	libboost_atomic.so:devel/boost-libs \
 		libcivetweb.so:www/civetweb \
 		libcurl.so:ftp/curl \
 		libdcmtkcharls.so:graphics/dcmtk \
 		libgtest.so:devel/googletest \
 		libicuuc.so:devel/icu \
 		libjsoncpp.so:devel/jsoncpp \
 		libpng16.so:graphics/png \
 		libprotobuf.so:devel/protobuf \
 		libpugixml.so:textproc/pugixml \
 		libtiff.so:graphics/tiff \
 		libuuid.so:misc/e2fsprogs-libuuid
 
 USES=		cmake gnome iconv jpeg lua python:build sqlite ssl
 USE_GNOME=	libxml2
 USE_LDCONFIG=	yes
 
 USE_RC_SUBR=	orthanc
 
-CMAKE_ARGS=	-DDCMTK_DICTIONARY_DIR:STRING=/usr/local/share/dcmtk-3.6.9
+# Keep in sync with graphics/dcmtk version
+CMAKE_ARGS=	-DDCMTK_DICTIONARY_DIR:STRING=${LOCALBASE}/share/dcmtk-3.6.9
 CMAKE_ON=	USE_SYSTEM_BOOST USE_SYSTEM_CIVETWEB USE_SYSTEM_DCMTK \
 		USE_SYSTEM_GOOGLE_TEST USE_SYSTEM_JSONCPP USE_SYSTEM_LIBICONV \
 		USE_SYSTEM_LIBJPEG USE_SYSTEM_LIBPNG USE_SYSTEM_LUA \
 		USE_SYSTEM_OPENSSL USE_SYSTEM_PUGIXML USE_SYSTEM_SQLITE \
 		USE_SYSTEM_UUID USE_SYSTEM_ZLIB
 CMAKE_OFF=	BUILD_CONNECTIVITY_CHECKS UNIT_TESTS_WITH_HTTP_CONNEXIONS
-# Keep in sync with graphics/dcmtk version
 CMAKE_SOURCE_PATH=	${WRKSRC}/OrthancServer
 
 CFLAGS+=	-DNDEBUG
 CXXFLAGS+=	-DNDEBUG
 
 WRKSRC=		${WRKDIR}/Orthanc-${PORTVERSION}
 
 USERS=		orthanc
 GROUPS=		orthanc
 
 PLIST_SUB+=	DISTVERSION=${DISTVERSION}
 
 post-install:
 	${MKDIR} ${STAGEDIR}/var/db/orthanc/db/db-v5
 	${MKDIR} ${STAGEDIR}${DATADIR}/plugins
 	${MKDIR} ${STAGEDIR}${ETCDIR}
 	${REINPLACE_CMD} -e 's|%%PREFIX%%|${PREFIX}|g' ${CMAKE_SOURCE_PATH}/Resources/Configuration.json
 	${CP} ${CMAKE_SOURCE_PATH}/Resources/Configuration.json ${STAGEDIR}${ETCDIR}/orthanc.json.sample
 
 .include <bsd.port.mk>