diff --git a/xml2xslt.xsl b/xml2xslt.xsl
index b54e45c..66b4636 100755
--- a/xml2xslt.xsl
+++ b/xml2xslt.xsl
@@ -254,7 +254,7 @@
 									<xsl-out:text>Stylesheet</xsl-out:text>
 								</xsl-out:attribute>
 								<xsl-out:attribute name="href">
-									<xsl-out:text>http://blackboard.otago.ac.nz/bbcswebdav/courses/</xsl-out:text>
+									<xsl-out:text>https://blackboard.otago.ac.nz/bbcswebdav/courses/</xsl-out:text>
 									<xsl-out:value-of select="$subject-code" />
 									<xsl-out:value-of select="$paper-number" />
 									<xsl-out:text>_</xsl-out:text>