--- g15daemon-1.9.5.3/Makefile.am
+++ g15daemon-1.9.5.3/Makefile.am
@@ -5,7 +5,7 @@
 
 EXTRA_DIST = debian contrib Documentation lang-bindings patches rpm README.usage FAQ LICENSE images README.Linux README.FreeBSD README.Solaris
 
-docdir = $(prefix)/share/doc/$(PACKAGE)-$(VERSION)
+docdir = @docdir@
 doc_DATA = FAQ README.usage README ChangeLog TODO AUTHORS NEWS LICENSE README.Linux README.FreeBSD README.Solaris
 
 man1_MANS = $(top_srcdir)/Documentation/g15daemon.1