diff --git a/src/PanthereTestCase.php b/src/PanthereTestCase.php
index abd80994..01a24e91 100644
--- a/src/PanthereTestCase.php
+++ b/src/PanthereTestCase.php
@@ -80,6 +80,8 @@ public static function tearDownAfterClass()
         if (null !== self::$goutteClient) {
             self::$goutteClient = null;
         }
+
+        self::$baseUri = null;
     }
 
     protected static function startWebServer(?string $webServerDir = null): void