diff --git a/xsl/calendar-summary.xsl b/xsl/calendar-summary.xsl
index 68f17db75..1dfd83d58 100644
--- a/xsl/calendar-summary.xsl
+++ b/xsl/calendar-summary.xsl
@@ -18,8 +18,9 @@
 
         <!-- Events aus den News ziehen -->
         <xsl:for-each select="document('../news.xml')/page/news/newsfile">
-          <xsl:if test="starts-with(date:difference(date:date-time(), document(concat('../', .))/item/@date), '-')">
-            <xsl:apply-templates select="document(concat('../', .))/item/event">
+          <xsl:variable name="news" select="document(concat('../', .))"/>
+          <xsl:if test="starts-with(date:difference(date:date-time(), $news/item/@date), '-')">
+            <xsl:apply-templates select="$news/item/event">
               <xsl:with-param name="link" select="concat(substring-before(substring-after(., 'content/'), '.xml'), '.html')"/>
             </xsl:apply-templates>
           </xsl:if>
diff --git a/xsl/portal2items.xsl b/xsl/portal2items.xsl
index 3ec3419e1..0eba34479 100644
--- a/xsl/portal2items.xsl
+++ b/xsl/portal2items.xsl
@@ -18,8 +18,9 @@
 
     <!-- Extract from news -->
     <xsl:for-each select="document('../news.xml')//newsfile">
-      <xsl:if test="starts-with(date:difference(date:date-time(), @date), '-')">
-        <xsl:apply-templates select="document(concat('../', .))/item"
+      <xsl:variable name="news" select="document(concat('../', .))"/>
+      <xsl:if test="starts-with(date:difference(date:date-time(), $news/item/@date), '-')">
+        <xsl:apply-templates select="$news/item"
                              mode="news">
 	  <xsl:with-param name="link"
 			  select="concat(substring-before(substring-after(., 'content/'), '.xml'), '.html')"/>