diff --git a/xsl/datenspuren/xhtml.xsl b/xsl/datenspuren/xhtml.xsl
index 05d366f84..13e1f41fe 100644
--- a/xsl/datenspuren/xhtml.xsl
+++ b/xsl/datenspuren/xhtml.xsl
@@ -84,9 +84,11 @@
             <xsl:for-each select="x:td">
               <xsl:if test="@class">
                 <td>
-                  <xsl:attribute name="rowspan">
-                    <xsl:value-of select="@rowspan"/>
-                  </xsl:attribute>
+                  <xsl:if test="normalize-space(@rowspan) != ''">
+                    <xsl:attribute name="rowspan">
+                      <xsl:value-of select="@rowspan"/>
+                    </xsl:attribute>
+                  </xsl:if>
 
                   <xsl:choose>
                     <xsl:when test='count(x:*)=0'>