diff --git a/www/saml2/idp/SingleLogoutServiceiFrame.php b/www/saml2/idp/SingleLogoutServiceiFrame.php
index 06343ebef488d7a9c066300d76e7dea7964b847e..514d7e46a3ee01cbc6e612f07f8248d3ba8ce634 100644
--- a/www/saml2/idp/SingleLogoutServiceiFrame.php
+++ b/www/saml2/idp/SingleLogoutServiceiFrame.php
@@ -373,26 +373,6 @@ if (array_key_exists('name', $spmeta)) $spname = $spmeta['name'];
 
 
 
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 $et = new SimpleSAML_XHTML_Template($config, 'logout-iframe.php');
 
@@ -402,7 +382,7 @@ $et->data['logoutresponse'] = $logoutresponse;
 $et->data['xajax'] = $xajax;
 $et->data['requesterName'] = $spname;
 
-$et->data['head'] = $xajax->printJavascript();
+$et->data['head'] = $xajax->getJavascript();
 
 $et->show();