diff --git a/meta/AggregationTable.php b/meta/AggregationTable.php
index 32029da..c2fa12c 100644
--- a/meta/AggregationTable.php
+++ b/meta/AggregationTable.php
@@ -230,8 +230,14 @@ class AggregationTable extends Aggregation
// output XHTML header
$this->renderer->doc .= "
";
- $this->renderer->doc .= 'helper->getLang('sort') . '">' . hsc($header) . '';
+
+ if (is_a($this->renderer, 'renderer_plugin_dw2pdf')) {
+ $this->renderer->doc .= hsc($header);
+ } else {
+ $this->renderer->doc .= 'helper->getLang('sort') . '">' . hsc($header) . '';
+ }
+
$this->renderer->doc .= ' | ';
}