diff --git a/README.md b/README.md
index 3023f057..29527aaa 100644
--- a/README.md
+++ b/README.md
@@ -142,7 +142,8 @@ foreach ($result as $item) {
 Testing
 -------
 ```
-cd tests/
+cd tests
+phpunit --verbose --colors --stderr tests
 GEOPHP_RUN_TESTS=1 php tests/test.php
 ```