diff --git a/devel/msp430-debug-stack/Makefile b/devel/msp430-debug-stack/Makefile
index fb53fd807679..36d96b0c2686 100644
--- a/devel/msp430-debug-stack/Makefile
+++ b/devel/msp430-debug-stack/Makefile
@@ -1,54 +1,54 @@
 PORTNAME=	msp430-debug-stack
 PORTVERSION=	3.15.1.1
-PORTREVISION=	0
+PORTREVISION=	1
 CATEGORIES=	devel
 MASTER_SITES=	https://dr-download.ti.com/software-development/driver-or-library/MD-4vnqcP1Wk4/${PORTVERSION}/ \
 		http://www.ti.com/lit/ug/slau320aj/:doc1 \
 		http://www.ti.com/lit/ug/slau656d/:doc2
 DISTFILES=	MSPDebugStack_OS_Package_${PORTVERSION:S/./_/g}.zip \
 		slau320aj.pdf:doc1 \
 		slau656d.pdf:doc2
 EXTRACT_ONLY=	MSPDebugStack_OS_Package_${PORTVERSION:S/./_/g}.zip
 
 MAINTAINER=	lev@FreeBSD.org
 COMMENT=	TI MSP430 debugging interface library
 
 LICENSE=	BSD3CLAUSE
 
 LIB_DEPENDS=	libboost_filesystem.so:devel/boost-libs \
 		libhidapi.so:comms/hidapi
 
 USES=		compiler:c++11-lib dos2unix gmake zip:infozip
 USE_LDCONFIG=	yes
 
 DOS2UNIX_REGEX=	.*/Makefile|.*\.(cpp|h)
 
 MAKE_ARGS=	BOOST_DIR=${LOCALBASE} \
 		HIDAPI_DIR=${LOCALBASE}
 
 MAKE_JOBS_UNSAFE=	yes
 NO_WRKSUBDIR=		yes
 
 SUB_FILES=	pkg-message
 
 REINPLACE_ARGS=	-i ""
 
 OPTIONS_DEFINE=	DOCS
 
 post-patch:
 	@${FIND} ${WRKSRC}/DLL430_v3/src/TI/DLL430 \
 		\( -name '*.cpp' -o -name '*.h' \) -print0 | ${XARGS} -0 \
 		${REINPLACE_CMD} -e 's|[io]fstream|std::&|; s|std::std::|std::|'
 
 do-install:
 	${INSTALL_LIB} ${WRKSRC}/libmsp430.so ${STAGEDIR}${PREFIX}/lib/libmsp430.so
 	${INSTALL_DATA} ${WRKSRC}/libmsp430.a ${STAGEDIR}${PREFIX}/lib/libmsp430.a
 	${MKDIR} ${STAGEDIR}${PREFIX}/include/libmsp430
 	${INSTALL_DATA} ${WRKSRC}/DLL430_v3/include/* ${STAGEDIR}${PREFIX}/include/libmsp430/
 	${MKDIR} ${STAGEDIR}${DOCSDIR}
 	${INSTALL_DATA} ${DISTDIR}/${DIST_SUBDIR}/slau320aj.pdf ${STAGEDIR}${DOCSDIR}/
 	${INSTALL_DATA} ${DISTDIR}/${DIST_SUBDIR}/slau656d.pdf ${STAGEDIR}${DOCSDIR}/
 	${MKDIR} ${STAGEDIR}${PREFIX}/etc/devd
 	${INSTALL_DATA} ${FILESDIR}/mspfet.conf ${STAGEDIR}${PREFIX}/etc/devd
 
 .include <bsd.port.mk>
diff --git a/devel/msp430-debug-stack/files/patch-DLL430__v3_src_TI_DLL430_FetControl.cpp b/devel/msp430-debug-stack/files/patch-DLL430__v3_src_TI_DLL430_FetControl.cpp
index 7a6bcf72389a..f660b80e2fc9 100644
--- a/devel/msp430-debug-stack/files/patch-DLL430__v3_src_TI_DLL430_FetControl.cpp
+++ b/devel/msp430-debug-stack/files/patch-DLL430__v3_src_TI_DLL430_FetControl.cpp
@@ -1,11 +1,11 @@
 --- DLL430_v3/src/TI/DLL430/FetControl.cpp.orig	2020-12-05 20:54:24 UTC
 +++ DLL430_v3/src/TI/DLL430/FetControl.cpp
 @@ -225,7 +225,7 @@ bool FetControl::resetCommunication()
  	data.push_back(0x00);
  	this->sendData(data);		// reset connection
  
 -	std::this_thread::sleep_for(std::chrono::milliseconds(100));
-+	std::this_thread::sleep_for(std::chrono::milliseconds(300));
++	std::this_thread::sleep_for(std::chrono::milliseconds(500));
  
  	HalExecElement* el = new HalExecElement(ID_Zero);
  	el->appendInputData8(STREAM_CORE_ZERO_VERSION);