diff --git a/doc/Makefile b/doc/Makefile
index 70f58fb55..3e5e52e87 100644
--- a/doc/Makefile
+++ b/doc/Makefile
@@ -1,9 +1,13 @@
 COMMONOPTS = -f docbook -b html -e no-valid
+LAST_RELEASE_VERSION = 0.8
 
 html: html/index.html
 
+postgis.xml: postgis.xml.in
+	cat $< | sed "s/@@LAST_RELEASE_VERSION@@/$(LAST_RELEASE_VERSION)/" > $@
+
 html/index.html: postgis.xml
 	jw $(COMMONOPTS) -o html/ $<
 
 clean:
-	rm -f html/*.html
+	#rm -f html/*.html