diff --git a/doc/org.eclipse.cdt.doc.isv/guide/cdt_build_system/migration_guides/4.0/migration_guide_40.html b/doc/org.eclipse.cdt.doc.isv/guide/cdt_build_system/migration_guides/4.0/migration_guide_40.html
index 41e79cf758e..dd5221dd425 100644
--- a/doc/org.eclipse.cdt.doc.isv/guide/cdt_build_system/migration_guides/4.0/migration_guide_40.html
+++ b/doc/org.eclipse.cdt.doc.isv/guide/cdt_build_system/migration_guides/4.0/migration_guide_40.html
@@ -10,7 +10,7 @@
   <link rel="stylesheet"
  href="http://dev.eclipse.org/viewcvs/index.cgi/%7Echeckout%7E/cdt-home/cdt.css?cvsroot=Tools_Project"
  type="text/css">
-  <link rel="stylesheet" href="cdt.css" type="text/css">
+  <link rel="stylesheet" href="../../../../book.css" type="text/css">
 	<style>
 <!--
 h3