diff --git a/emulators/x16-rom/Makefile b/emulators/x16-rom/Makefile
index 09ea111d8346..c9fcfb272fee 100644
--- a/emulators/x16-rom/Makefile
+++ b/emulators/x16-rom/Makefile
@@ -1,25 +1,27 @@
 PORTNAME=	x16-rom
-DISTVERSION=	r38
+DISTVERSION=	r40
 CATEGORIES=	emulators
 
 MAINTAINER=	makc@FreeBSD.org
 COMMENT=	Commander X16 ROM
 
 BUILD_DEPENDS=	cc65:devel/cc65
 
-USES=		gmake
+USES=		gmake python:3.7+,build
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	commanderx16
 
 DATADIR=	${PREFIX}/share/x16-emulator
+BINARY_ALIAS=	make=${MAKE_CMD} \
+		python3=${PYTHON_CMD}
 PORTDATA=	rom.bin
 
 post-patch:
 	${REINPLACE_CMD} '1s,bash,sh,' ${WRKSRC}/scripts/symbolize.sh
 
 do-install:
 	${MKDIR} ${STAGEDIR}/${DATADIR}
 	${INSTALL_DATA} ${WRKSRC}/build/x16/rom.bin ${STAGEDIR}/${DATADIR}
 
 .include <bsd.port.mk>
diff --git a/emulators/x16-rom/distinfo b/emulators/x16-rom/distinfo
index 51425d2db24a..ec951fe071ce 100644
--- a/emulators/x16-rom/distinfo
+++ b/emulators/x16-rom/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1598527689
-SHA256 (commanderx16-x16-rom-r38_GH0.tar.gz) = c4a22f08a8abb29b03fc509ef50672e24f15d9f56352b77e372be86a9dabc163
-SIZE (commanderx16-x16-rom-r38_GH0.tar.gz) = 514991
+TIMESTAMP = 1650710255
+SHA256 (commanderx16-x16-rom-r40_GH0.tar.gz) = ea4df051b355f12d6566a6d761a14a4d3633acc57349d33ce87b4806646f482e
+SIZE (commanderx16-x16-rom-r40_GH0.tar.gz) = 604486