--- g15stats-1.9.7/Makefile.am
+++ g15stats-1.9.7/Makefile.am
@@ -4,7 +4,7 @@
 bin_PROGRAMS = g15stats
 noinst_HEADERS = g15stats.h
 
-docdir = $(prefix)/share/doc/$(PACKAGE)-$(VERSION)
+docdir = @docdir@
 doc_DATA = README ChangeLog AUTHORS NEWS COPYING
 
 LIBS = -lg15daemon_client -lg15render -lpthread -lm -lrt