Index: sysutils/zfs-stats/Makefile
===================================================================
--- sysutils/zfs-stats/Makefile	(revision 360543)
+++ sysutils/zfs-stats/Makefile	(working copy)
@@ -11,16 +11,15 @@ COMMENT=	Display human-readable ZFS statistics
 
 LICENSE=	BSD2CLAUSE
 
-USES=		perl5
+USES=		perl5 shebangfix
 
 NO_BUILD=	yes
+SHEBANG_FILES=	zfs-*
+perl_OLD_CMD=	/usr/bin/env -iS perl
 
 PLIST_FILES=	bin/zfs-stats \
 		bin/zfs-mon
 
-post-patch:
-	@${REINPLACE_CMD} -e "s|/usr/bin/env -iS perl|${PERL}|g" ${WRKSRC}/zfs-stats
-
 do-install:
 	${INSTALL_SCRIPT} ${WRKSRC}/zfs-stats ${STAGEDIR}${PREFIX}/bin/zfs-stats
 	${INSTALL_SCRIPT} ${WRKSRC}/zfs-mon ${STAGEDIR}${PREFIX}/bin/zfs-mon