diff --git a/plugins/Sandbox/tests/TestCase/Service/Localized/ValidationServiceTest.php b/plugins/Sandbox/tests/TestCase/Service/Localized/ValidationServiceTest.php
index c7f2231b..a11fcf09 100644
--- a/plugins/Sandbox/tests/TestCase/Service/Localized/ValidationServiceTest.php
+++ b/plugins/Sandbox/tests/TestCase/Service/Localized/ValidationServiceTest.php
@@ -53,7 +53,7 @@ public function testGetAvailable(): void {
 		$result = $this->service->getAvailable();
 
 		$this->assertNotEmpty($result);
-		$this->assertNotEmpty($result['De']);
+		$this->assertNotEmpty($result['DE']);
 	}
 
 }