--- a/Makefile.in	2017-01-21 00:32:50.921546762 +0100
+++ b/Makefile.in	2017-01-21 00:55:45.362728521 +0100
@@ -278,8 +278,8 @@
 	  --stringparam html.cleanup "1" \
 	  --stringparam make.clean.html "1" \
 	  --stringparam html.valid.html "1" \
-	  --stringparam html.stylesheet \
-	  "https://www.gpsbabel.org/style3.css" \
+	  --nonet \
+	  --stringparam html.stylesheet "gpsbabel.org-style3.css" \
 	  http://docbook.sourceforge.net/release/xsl/current/xhtml/docbook.xsl \
 	xmldoc/readme.xml