diff --git a/en_US.ISO8859-1/htdocs/index.xsl b/en_US.ISO8859-1/htdocs/index.xsl
index 2957154579..4760e664b0 100644
--- a/en_US.ISO8859-1/htdocs/index.xsl
+++ b/en_US.ISO8859-1/htdocs/index.xsl
@@ -326,7 +326,7 @@
 	The mark FreeBSD is a registered trademark of The FreeBSD
 	Foundation and is used by The FreeBSD Project with the
 	permission of <a
-	  href="http://www.freebsdfoundation.org/documents/Guidelines.shtml">The
+	  href="https://www.freebsdfoundation.org/documents/Guidelines.shtml">The
 	FreeBSD Foundation</a>.
 	<a href="&base;/mailto.html" title="&header2.word.contact;">&header2.word.contact;</a>
   </xsl:template>