diff --git a/doc/Makefile.am b/doc/Makefile.am
index c91a8c9..46a9d93 100644
--- a/doc/Makefile.am
+++ b/doc/Makefile.am
@@ -1,6 +1,6 @@
 MAINTAINERCLEANFILES = Makefile.in api/*
 
-EXTRA_DIST = index.html packagedoc.css api/index.html api examples
+EXTRA_DIST = index.xhtml packagedoc.css api/index.html api examples
 
 # apidir = $(docdir)/api
 # api_DATA = api/index.html api/*