diff --git a/sysutils/smug/Makefile b/sysutils/smug/Makefile
index 8f3acba0fbf3..a431dc10ff0b 100644
--- a/sysutils/smug/Makefile
+++ b/sysutils/smug/Makefile
@@ -1,45 +1,47 @@
 PORTNAME=	smug
 DISTVERSIONPREFIX=	v
 DISTVERSION=	0.2.6
 CATEGORIES=	sysutils
 
 MAINTAINER=	lcook@FreeBSD.org
 COMMENT=	Session manager and task runner for tmux
 
 LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
+RUN_DEPENDS=	sysutils/tmux
+
 USES=		go:modules
 GO_MODULE=	github.com/ivaaaan/${PORTNAME}
 GO_BUILDFLAGS=	-ldflags "\
 		-s -w \
 		-X main.Version=${DISTVERSIONFULL}"
 
 PLIST_FILES=	bin/${PORTNAME}
 PORTDOCS=	CODE_OF_CONDUCT.md README.md
 
 OPTIONS_DEFINE=		COMPLETIONS DOCS MANPAGES
 OPTIONS_DEFAULT=	COMPLETIONS MANPAGES
 
 COMPLETIONS_DESC=	Install bash and fish shell completions
 
 COMPLETIONS_PLIST_FILES=	share/bash-completion/completions/${PORTNAME} \
 				share/fish/vendor_completions.d/${PORTNAME}.fish
 MANPAGES_PLIST_FILES=		man/man1/${PORTNAME}.1.gz
 
 post-install-COMPLETIONS-on:
 	${INSTALL_DATA} ${WRKSRC}/completion/${PORTNAME}.bash \
 		${STAGEDIR}${PREFIX}/share/bash-completion/completions/${PORTNAME}
 	${INSTALL_DATA} ${WRKSRC}/completion/${PORTNAME}.fish \
 		${STAGEDIR}${PREFIX}/share/fish/vendor_completions.d/${PORTNAME}.fish
 
 post-install-DOCS-on:
 	@${MKDIR} ${STAGEDIR}${DOCSDIR}
 	${INSTALL_DATA} ${PORTDOCS:S|^|${WRKSRC}/|} \
 		${STAGEDIR}${DOCSDIR}
 
 post-install-MANPAGES-on:
 	${INSTALL_MAN} ${WRKSRC}/man/man1/${PORTNAME}.1 \
 		${STAGEDIR}${MAN1PREFIX}/man/man1
 
 .include <bsd.port.mk>