--- Makefile.orig	2017-01-24 22:54:44.000000000 +0800
+++ Makefile	2017-02-15 17:42:22.955359000 +0800
@@ -96,7 +96,7 @@ install-bin:	${TGT}
 
 install-man:	${MAN1Z}
 		${MKDIR} ${DESTDIR}${MAN1DIR}
-		${INSTALL_PROGRAM} ${MAN1Z} ${DESTDIR}${MAN1DIR}
+		${INSTALL_DATA} ${MAN1Z} ${DESTDIR}${MAN1DIR}
 
 install-share: