diff --git a/documentation/toaster-manual/toaster-manual-customization.xsl b/documentation/toaster-manual/toaster-manual-customization.xsl
index ffb1ffc21b..e253aedd9a 100644
--- a/documentation/toaster-manual/toaster-manual-customization.xsl
+++ b/documentation/toaster-manual/toaster-manual-customization.xsl
@@ -1,7 +1,7 @@
 <?xml version='1.0'?>
 <xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" xmlns="http://www.w3.org/1999/xhtml" xmlns:fo="http://www.w3.org/1999/XSL/Format" version="1.0">
 
-  <xsl:import href="http://docbook.sourceforge.net/release/xsl/current/xhtml/docbook.xsl" />
+  <xsl:import href="http://docbook.sourceforge.net/release/xsl/1.76.1/xhtml/docbook.xsl" />
 
   <xsl:include href="../template/permalinks.xsl"/>
   <xsl:include href="../template/section.title.xsl"/>