diff --git a/lib/tests/behat/behat_general.php b/lib/tests/behat/behat_general.php
index 24ddd03372b..4a4212dc315 100644
--- a/lib/tests/behat/behat_general.php
+++ b/lib/tests/behat/behat_general.php
@@ -869,8 +869,8 @@ class behat_general extends behat_base {
             // this DOM method instead.
             $js = <<<EOF
 (function() {
-    var a = document.evaluate("{$prexpath}", document).iterateNext();
-    var b = document.evaluate("{$postxpath}", document).iterateNext();
+    var a = document.evaluate("{$prexpath}", document, null, XPathResult.ANY_TYPE, null).iterateNext();
+    var b = document.evaluate("{$postxpath}", document, null, XPathResult.ANY_TYPE, null).iterateNext();
     return a.compareDocumentPosition(b) & Node.DOCUMENT_POSITION_FOLLOWING;
 })()
 EOF;