diff --git a/ext/soap/tests/bugs/bug31755.phpt b/ext/soap/tests/bugs/bug31755.phpt
index e93e17daa67..6523588c92f 100644
--- a/ext/soap/tests/bugs/bug31755.phpt
+++ b/ext/soap/tests/bugs/bug31755.phpt
@@ -14,4 +14,4 @@ $response= $client->__call('function', array(), null, $header);
 print $client->__getLastRequest();
 ?>
 --EXPECTF--
-Fatal error: SoapHeader::__construct(): Invalid parameters. Invalid namespace. in %sbug31755.php on line %d
+Fatal error: SoapHeader::SoapHeader(): Invalid parameters. Invalid namespace. in %s on line %d