diff --git a/content/events.xml b/content/events.xml
index 9ea8a1463..1ed5a9d7f 100644
--- a/content/events.xml
+++ b/content/events.xml
@@ -64,4 +64,9 @@
     <location>Hörsaal- und Seminar-Gebäude der Technischen Universität Chemnitz</location>
     <link>http://chemnitzer.linux-tage.de/2007/</link>
   </event>
+  <event title="Perl Mongers Treffen">
+    <start>2007-01-04T20:00:00</start>
+    <location>Medienkulturhaus Dresden</location>
+    <link>http://dresden-pm.org/cgi-bin/twiki/view/PM/TermineTreffen</link>
+  </event>
 </calendar>
diff --git a/xsl/calendar.xsl b/xsl/calendar.xsl
index 73f6a9504..de5ee523f 100644
--- a/xsl/calendar.xsl
+++ b/xsl/calendar.xsl
@@ -22,7 +22,7 @@
     <xsl:call-template name="output-week">
       <xsl:with-param name="date">
         <xsl:call-template name="get-past-monday">
-          <xsl:with-param name="date" select="concat(date:year(date:date()), '-', date:month-in-year(date:date()), '-01')"/>
+          <xsl:with-param name="date" select="concat(date:year(date:date()), '-', format-number(date:month-in-year(date:date()), '00'), '-01')"/>
         </xsl:call-template>
       </xsl:with-param>
       <xsl:with-param name="stopmonth" select="date:month-in-year(date:add(date:date(), 'P2M'))"/>
@@ -87,7 +87,7 @@
             <xsl:with-param name="date" select="end"/>
           </xsl:call-template>
         </xsl:variable>
-        <xsl:variable name="$date">
+        <xsl:variable name="date">
           <xsl:call-template name="strip-time-from-date">
             <xsl:with-param name="date" select="$date"/>
           </xsl:call-template>