1 files changed, 1 insertions, 2 deletions

diff --git a/inc/3rdparty/libraries/mpdf/classes/tocontents.php b/inc/3rdparty/libraries/mpdf/classes/tocontents.php
index 4e0065d2..b1b61446 100644
--- a/inc/3rdparty/libraries/mpdf/classes/tocontents.php
+++ b/inc/3rdparty/libraries/mpdf/classes/tocontents.php
@@ -224,7 +224,6 @@ function insertTOC() {
                 $tocstart=count($this->mpdf->pages);
                 if ($toc_preHTML) { $this->mpdf->WriteHTML($toc_preHTML); }
 
-
                 // mPDF 5.6.19
                 $html ='<div class="mpdf_toc" id="mpdf_toc_'.$toc_id.'">';
                 foreach($this->_toc as $t) {
@@ -268,7 +267,7 @@ function insertTOC() {
         $s .= $this->mpdf->PrintBodyBackgrounds();
 
         $s .= $this->mpdf->PrintPageBackgrounds();
-        $this->mpdf->pages[$this->mpdf->page] = preg_replace('/(___BACKGROUND___PATTERNS'.date('jY').')/', "\n".$s."\n".'\\1', $this->mpdf->pages[$this->mpdf->page]);
+        $this->mpdf->pages[$this->mpdf->page] = preg_replace('/(___BACKGROUND___PATTERNS'.$this->mpdf->uniqstr.')/', "\n".$s."\n".'\\1', $this->mpdf->pages[$this->mpdf->page]);
         $this->mpdf->pageBackgrounds = array();
 
         //Page footer