diff --git a/Documentation/Makefile b/Documentation/Makefile
index b06275726d..3bc5357ec9 100644
--- a/Documentation/Makefile
+++ b/Documentation/Makefile
@@ -131,7 +131,7 @@ clean:
 user-manual.xml: user-manual.txt user-manual.conf
 	$(ASCIIDOC) -b docbook -d book $<
 
-XSLT = http://docbook.sourceforge.net/release/xsl/current/html/docbook.xsl
+XSLT = docbook.xsl
 XSLTOPTS = --xinclude --stringparam html.stylesheet docbook-xsl.css
 
 user-manual.html: user-manual.xml
diff --git a/Documentation/docbook.xsl b/Documentation/docbook.xsl
new file mode 100644
index 0000000000..9a6912c641
--- /dev/null
+++ b/Documentation/docbook.xsl
@@ -0,0 +1,5 @@
+<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
+		version='1.0'>
+ <xsl:import href="http://docbook.sourceforge.net/release/xsl/current/html/docbook.xsl"/>
+ <xsl:output method="html" encoding="UTF-8" indent="no" />
+</xsl:stylesheet>