diff --git a/lang/mujs/Makefile b/lang/mujs/Makefile
index da03339e76a5..01b9b4a75bca 100644
--- a/lang/mujs/Makefile
+++ b/lang/mujs/Makefile
@@ -1,46 +1,43 @@
 # $FreeBSD$
 
 PORTNAME=	mujs
-DISTVERSION=	1.0.6-6
-DISTVERSIONSUFFIX=	-g8c86834
-PORTREVISION=	1
+DISTVERSION=	1.0.6-13
+DISTVERSIONSUFFIX=	-gd022598
 CATEGORIES=	lang devel
 
 PATCH_SITES=	https://github.com/${GH_ACCOUNT}/${PORTNAME}/commit/
 PATCHFILES=	d9a1f4c57f976eeb67d877101fcdca89ecc047ed.patch:-p1 # Enable readline on FreeBSD
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Embeddable Javascript interpreter in C
 
 LICENSE=	ISCL
 LICENSE_FILE=	${WRKSRC}/COPYING
 
 USES=		compiler:c11 gmake readline # c11 is induced by the FreeBSD headers via isnan(3), etc, otherwise the project is all c99 code
 USE_GITHUB=	yes
 GH_ACCOUNT=	ccxvii
 USE_LDCONFIG=	yes
 ALL_TARGET=	shared static
 INSTALL_TARGET=	install-shared install-static
 
 .if defined(WITH_DEBUG) # this project manages its build options itself
 MAKE_ARGS=	build=debug
 .endif
 
 PLIST_FILES=	bin/mujs \
 		include/mujs.h \
 		lib/libmujs.so \
 		lib/libmujs.a \
 		libdata/pkgconfig/mujs.pc
 
 OPTIONS_DEFINE=		32BIT
 OPTIONS_DEFAULT=	32BIT
 
 32BIT_DESC=		32-bit address space to allow for larger programs
-
-post-patch-32BIT-on:
-	@${REINPLACE_CMD} 's|typedef unsigned short js_Instruction|typedef int js_Instruction|' ${WRKSRC}/jsi.h
+32BIT_MAKE_ARGS=	XCFLAGS="-DJS_INSTRUCTION=int"
 
 post-install: # https://github.com/ccxvii/mujs/issues/99
 	@${STRIP_CMD} ${STAGEDIR}${PREFIX}/lib/libmujs.so
 
 .include <bsd.port.mk>
diff --git a/lang/mujs/distinfo b/lang/mujs/distinfo
index cd0109f9680b..f27e04ed57bd 100644
--- a/lang/mujs/distinfo
+++ b/lang/mujs/distinfo
@@ -1,5 +1,5 @@
-TIMESTAMP = 1575001439
-SHA256 (ccxvii-mujs-1.0.6-6-g8c86834_GH0.tar.gz) = f5b921c9286619bf7475109506b5908458bad76355fb4734037836d3fd67be75
-SIZE (ccxvii-mujs-1.0.6-6-g8c86834_GH0.tar.gz) = 121518
+TIMESTAMP = 1577981584
+SHA256 (ccxvii-mujs-1.0.6-13-gd022598_GH0.tar.gz) = 1af1ecfdc528eaa1b65e21dafb57a9d460e40a5456f7bebc03ef092be4255567
+SIZE (ccxvii-mujs-1.0.6-13-gd022598_GH0.tar.gz) = 121868
 SHA256 (d9a1f4c57f976eeb67d877101fcdca89ecc047ed.patch) = de236ceb1d7df002bf0930ff31f07f58260e0faf780edef72f05d478185cb279
 SIZE (d9a1f4c57f976eeb67d877101fcdca89ecc047ed.patch) = 589