diff --git a/xmlsitemap.xmlsitemap.inc b/xmlsitemap.xmlsitemap.inc
index 3e23622..261dea0 100644
--- a/xmlsitemap.xmlsitemap.inc
+++ b/xmlsitemap.xmlsitemap.inc
@@ -74,7 +74,7 @@ class XMLSitemapWriter extends XMLWriter {
    * Add the XML stylesheet to the XML page.
    */
   public function writeXSL() {
-    $this->writePi('xml-stylesheet', 'type="text/xsl" href="' . $this->getSitemapUrl('sitemap.xsl', array('protocol_relative' => TRUE)) . '"');
+    $this->writePi('xml-stylesheet', 'type="text/xsl" href="' . $this->getSitemapUrl('sitemap.xsl', array('absolute' => FALSE)) . '"');
     $this->writeRaw(PHP_EOL);
   }