--- a/Makefile
+++ b/Makefile
@@ -45,12 +45,12 @@
 	README \
 	TODO
 CLEANFILES = $(NAME).spec $(NAME) $(MAN1) $(MAN1).html
-prefix = /usr/local
+prefix = /usr
 sysconfdir = /etc
 bindir = $(prefix)/bin
 datadir = $(prefix)/share/mylvmbackup
 distdir = $(NAME)-$(VERSION)
-mandir = $(prefix)/man
+mandir = $(prefix)/share/man
 man1dir = $(mandir)/man1
 
 all: $(DISTFILES) $(MAN1)