diff --git a/tests-php/Nominatim/NominatimTest.php b/tests-php/Nominatim/NominatimTest.php
index 68519e48..7ab68934 100644
--- a/tests-php/Nominatim/NominatimTest.php
+++ b/tests-php/Nominatim/NominatimTest.php
@@ -1,7 +1,7 @@
 <?php
 
 namespace Nominatim;
-require 'lib/lib.php';
+require '../lib/lib.php';
 
 
 class NominatimTest extends \PHPUnit_Framework_TestCase
diff --git a/tests-php/README.txt b/tests-php/README.txt
index 31fd21ed..8aee5d8e 100644
--- a/tests-php/README.txt
+++ b/tests-php/README.txt
@@ -6,6 +6,7 @@ https://phpunit.de/manual/4.2/en/
 installed.
 
 To execute the test suite run
+$ cd tests-php
 $ phpunit
 
 It will read phpunit.xml which points to the library, test path, bootstrap