diff --git a/devel/forge-devel/Makefile b/devel/forge-devel/Makefile
index 8ac737d4c40c..cf1573aaf71d 100644
--- a/devel/forge-devel/Makefile
+++ b/devel/forge-devel/Makefile
@@ -1,63 +1,65 @@
 PORTNAME=	forge
 DISTVERSIONPREFIX=	v
 DISTVERSION=	0.3.0-38
 DISTVERSIONSUFFIX=	-g0ff9b8a
 CATEGORIES=	devel elisp
 PKGNAMESUFFIX=	-devel${EMACS_PKGNAMESUFFIX}
 
 MAINTAINER=	yasu@FreeBSD.org
 COMMENT=	Work with Git forges from the comfort of Magit (Development Version)
 
 LICENSE=	GPLv3+
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 BUILD_DEPENDS=	closql${EMACS_PKGNAMESUFFIX}>=1.2.0:databases/closql@${EMACS_FLAVOR} \
 		dash.el${EMACS_PKGNAMESUFFIX}>=2.19.1:devel/dash.el@${EMACS_FLAVOR} \
 		emacsql${EMACS_PKGNAMESUFFIX}>=3.0.0:databases/emacsql@${EMACS_FLAVOR} \
 		ghub${EMACS_PKGNAMESUFFIX}>=3.5.4:devel/ghub@${EMACS_FLAVOR} \
 		magit-devel${EMACS_PKGNAMESUFFIX}>=3.3.0:devel/magit-devel@${EMACS_FLAVOR} \
 		markdown-mode.el${EMACS_PKGNAMESUFFIX}>=2.4:textproc/markdown-mode.el@${EMACS_FLAVOR} \
 		transient${EMACS_PKGNAMESUFFIX}>=0.3.6:devel/transient@${EMACS_FLAVOR} \
 		yaml.el${EMACS_PKGNAMESUFFIX}>=0.3.4:textproc/yaml.el@${EMACS_FLAVOR}
 RUN_DEPENDS=	closql${EMACS_PKGNAMESUFFIX}>=1.2.0:databases/closql@${EMACS_FLAVOR} \
 		dash.el${EMACS_PKGNAMESUFFIX}>=2.19.1:devel/dash.el@${EMACS_FLAVOR} \
 		emacsql${EMACS_PKGNAMESUFFIX}>=3.0.0:databases/emacsql@${EMACS_FLAVOR} \
 		ghub${EMACS_PKGNAMESUFFIX}>=3.5.4:devel/ghub@${EMACS_FLAVOR} \
 		magit-devel${EMACS_PKGNAMESUFFIX}>=3.3.0:devel/magit-devel@${EMACS_FLAVOR} \
 		markdown-mode.el${EMACS_PKGNAMESUFFIX}>=2.4:textproc/markdown-mode.el@${EMACS_FLAVOR} \
 		transient${EMACS_PKGNAMESUFFIX}>=0.3.6:devel/transient@${EMACS_FLAVOR} \
 		yaml.el${EMACS_PKGNAMESUFFIX}>=0.3.4:textproc/yaml.el@${EMACS_FLAVOR}
 
 USES=		emacs gmake makeinfo
 USE_GITHUB=	yes
 GH_ACCOUNT=	magit
 
 MAKE_ENV+=	INSTALL_INFO=install-info \
 		LOAD_PATH="${_LOAD_PATH}"
+# Parallel build fails if Emacs is built with native compilation enabled
+MAKE_JOBS_UNSAFE=	yes
 ALL_TARGET=	lisp info
 
 CONFLICTS=	forge-emacs*
 
 INFO=		forge
 PORTDOCS=	README.md
 
 OPTIONS_DEFINE=	DOCS
 
 _LOAD_PATH=	-L ${PREFIX}/${EMACS_SITE_LISPDIR} -L \
 		${PREFIX}/${EMACS_VERSION_SITE_LISPDIR} -L \
 		${PREFIX}/${EMACS_VERSION_SITE_LISPDIR}/closql -L \
 		${PREFIX}/${EMACS_VERSION_SITE_LISPDIR}/emacsql -L \
 		${PREFIX}/${EMACS_VERSION_SITE_LISPDIR}/ghub -L \
 		${PREFIX}/${EMACS_VERSION_SITE_LISPDIR}/magit
 
 do-install:
 	@${MKDIR} ${STAGEDIR}${PREFIX}/${EMACS_VERSION_SITE_LISPDIR}/${PORTNAME}
 	${INSTALL_DATA} ${WRKSRC}/lisp/*.el* \
 	${STAGEDIR}${PREFIX}/${EMACS_VERSION_SITE_LISPDIR}/${PORTNAME}
 	${INSTALL_DATA} ${WRKSRC}/docs/*.info ${STAGEDIR}${PREFIX}/${INFO_PATH}
 
 do-install-DOCS-on:
 	@${MKDIR} ${STAGEDIR}${DOCSDIR}
 	${INSTALL_DATA} ${WRKSRC}/README.md ${STAGEDIR}${DOCSDIR}
 
 .include <bsd.port.mk>
diff --git a/devel/magit-devel/Makefile b/devel/magit-devel/Makefile
index 013431f669b1..c696eb070be1 100644
--- a/devel/magit-devel/Makefile
+++ b/devel/magit-devel/Makefile
@@ -1,55 +1,57 @@
 PORTNAME=	magit
 DISTVERSIONPREFIX=	v
 DISTVERSION=	3.3.0-86
 DISTVERSIONSUFFIX=	-ga5f6705b
 CATEGORIES=	devel elisp
 PKGNAMESUFFIX=	-devel${EMACS_PKGNAMESUFFIX}
 
 MAINTAINER=	yasu@FreeBSD.org
 COMMENT=	Interface to Git for Emacs (Development Version)
 
 LICENSE=	GPLv3+
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 BUILD_DEPENDS=	dash.el${EMACS_PKGNAMESUFFIX}>=2.19.1:devel/dash.el@${EMACS_FLAVOR} \
 		transient${EMACS_PKGNAMESUFFIX}>=0.3.7:devel/transient@${EMACS_FLAVOR} \
 		with-editor${EMACS_PKGNAMESUFFIX}>=3.0.5:editors/with-editor@${EMACS_FLAVOR}
 RUN_DEPENDS=	dash.el${EMACS_PKGNAMESUFFIX}>=2.19.1:devel/dash.el@${EMACS_FLAVOR} \
 		transient${EMACS_PKGNAMESUFFIX}>=0.3.7:devel/transient@${EMACS_FLAVOR} \
 		with-editor${EMACS_PKGNAMESUFFIX}>=3.0.5:editors/with-editor@${EMACS_FLAVOR}
 
 USES=		emacs gmake makeinfo
 USE_GITHUB=	yes
 
 MAKE_ENV+=	docdir=${DOCSDIR} \
 		infodir=${PREFIX}/${INFO_PATH} \
 		INSTALL_INFO=install-info \
 		lispdir=${PREFIX}/${_ELISPDIR} \
 		LOAD_PATH="-L ${WRKSRC}/lisp -L ${PREFIX}/${EMACS_SITE_LISPDIR} -L ${PREFIX}/${EMACS_VERSION_SITE_LISPDIR} -L ${PREFIX}/${EMACS_VERSION_SITE_LISPDIR}/ghub" \
 		VERSION=${PORTVERSION}
+# Parallel build fails if Emacs is built with native compilation enabled
+MAKE_JOBS_UNSAFE=	yes
 
 CONFLICTS_INSTALL=	magit-emacs*
 
 NO_ARCH=	yes
 
 INFO=		magit magit-section
 PLIST_SUB+=	ELISPDIR=${_ELISPDIR}
 PORTDOCS=	AUTHORS.md ReleaseNote
 
 OPTIONS_DEFINE=			DOCS LIBEGIT2
 OPTIONS_SUB=			yes
 LIBEGIT2_DESC=			Use libegit2 as backend (EXPERIMENTAL)
 LIBEGIT2_BUILD_DEPENDS=		libegit2${EMACS_PKGNAMESUFFIX}>=g20200515:devel/libegit2@${EMACS_FLAVOR}
 LIBEGIT2_BUILD_DEPENDS_OFF=	git:devel/git
 LIBEGIT2_RUN_DEPENDS=		libegit2${EMACS_PKGNAMESUFFIX}>=g20200515:devel/libegit2@${EMACS_FLAVOR}
 LIBEGIT2_RUN_DEPENDS_OFF=	git:devel/git
 LIBEGIT2_VARS_OFF=		MAKE_ENV+=BUILD_MAGIT_LIBGIT=false
 
 _ELISPDIR=	${EMACS_VERSION_SITE_LISPDIR}/${PORTNAME}
 
 do-install-DOCS-on:
 	@${MKDIR} ${STAGEDIR}${DOCSDIR}
 	${INSTALL_DATA} ${WRKSRC}/docs/RelNotes/3.4.0.org \
 		${STAGEDIR}${DOCSDIR}/ReleaseNote
 
 .include <bsd.port.mk>