diff --git a/tests/SystemClockTest.php b/tests/SystemClockTest.php
index 334c576..e4206cd 100644
--- a/tests/SystemClockTest.php
+++ b/tests/SystemClockTest.php
@@ -30,7 +30,7 @@ final class SystemClockTest extends TestCase
     #[Test]
     public function itUsesTheSystemTimeZone(): void
     {
-        $timeZone = 'Europe/Berlin';
+        $timeZone = $this->defaultTimeZone === 'Europe/Berlin' ? 'UTC' : 'Europe/Berlin';
         self::assertNotSame($timeZone, $this->defaultTimeZone);
 
         date_default_timezone_set($timeZone);