diff --git a/xsl/directory.xsl b/xsl/directory.xsl
index cfecb82..1f578b5 100644
--- a/xsl/directory.xsl
+++ b/xsl/directory.xsl
@@ -11,7 +11,7 @@
   <xsl:variable name="href">
     <xsl:choose>
       <xsl:when test="@href != ''"><xsl:value-of select="@href"/></xsl:when>
-      <xsl:otherwise />
+      <xsl:otherwise>.</xsl:otherwise>
     </xsl:choose>
   </xsl:variable>
   <xsl:if test="@title">