diff --git a/documentation/Makefile b/documentation/Makefile
index 7be3afec71..660f92a9b0 100644
--- a/documentation/Makefile
+++ b/documentation/Makefile
@@ -202,12 +202,7 @@ STYLESHEET = $(DOC)/*.css
 endif
 
 ifeq ($(DOC),ref-manual)
-XSLTOPTS = --stringparam html.stylesheet ref-style.css \
-           --stringparam  chapter.autolabel 1 \
-           --stringparam  appendix.autolabel A \
-           --stringparam  section.autolabel 1 \
-           --stringparam  section.label.includes.component.label 1 \
-           --xinclude
+XSLTOPTS = --xinclude
 ALLPREQ = html pdf tarball
 TARFILES = ref-manual.html ref-style.css figures/poky-title.png \
 	figures/buildhistory.png figures/buildhistory-web.png
diff --git a/documentation/ref-manual/ref-manual-customization.xsl b/documentation/ref-manual/ref-manual-customization.xsl
index 362ebed131..3ad3a315c0 100644
--- a/documentation/ref-manual/ref-manual-customization.xsl
+++ b/documentation/ref-manual/ref-manual-customization.xsl
@@ -3,4 +3,9 @@
   
   <xsl:import href="http://docbook.sourceforge.net/release/xsl/current/xhtml/docbook.xsl" />
 
+  <xsl:param name="html.stylesheet" select="'ref-style.css'" />
+  <xsl:param name="chapter.autolabel" select="1" />
+  <xsl:param name="appendix.autolabel" select="A" />
+  <xsl:param name="section.autolabel" select="1" />
+  <xsl:param name="section.label.includes.component.label" select="1" />
 </xsl:stylesheet>