diff --git a/phpunit.xml b/phpunit.xml
index 02e62794cc..fd59a8f236 100644
--- a/phpunit.xml
+++ b/phpunit.xml
@@ -13,7 +13,7 @@
     </extensions>
     <testsuites>
         <testsuite name="unit">
-            <directory>./tests/unit/</directory>
+            <directory>./tests/unit</directory>
         </testsuite>
         <testsuite name="e2e">
             <file>./tests/e2e/Client.php</file>