diff --git a/tests/Form/Fields/TestCase.php b/tests/Form/Fields/TestCase.php
index 6c48c43567..411f94ffb1 100644
--- a/tests/Form/Fields/TestCase.php
+++ b/tests/Form/Fields/TestCase.php
@@ -24,6 +24,9 @@ public function setUp(): void
 		$this->app = new App([
 			'roots' => [
 				'index' => $this->tmp
+			],
+			'urls' => [
+				'index' => 'https://getkirby.com/subfolder'
 			]
 		]);
 	}
diff --git a/tests/Form/Fields/WriterFieldTest.php b/tests/Form/Fields/WriterFieldTest.php
index 7e01c759c4..edfb7c11a1 100644
--- a/tests/Form/Fields/WriterFieldTest.php
+++ b/tests/Form/Fields/WriterFieldTest.php
@@ -20,10 +20,10 @@ public function testDefaultProps()
 	public function testValueSanitized()
 	{
 		$field = $this->field('writer', [
-			'value' => 'This is a <strong>test</strong><script>alert("Hacked")</script> with <em>formatting</em>'
+			'value' => 'This is a <strong>test</strong><script>alert("Hacked")</script> with <em>formatting</em> and a <a href="/@/page/abcde">UUID link</a>'
 		]);
 
-		$this->assertSame('This is a <strong>test</strong> with <em>formatting</em>', $field->value());
+		$this->assertSame('This is a <strong>test</strong> with <em>formatting</em> and a <a href="/@/page/abcde">UUID link</a>', $field->value());
 	}
 
 	public function testValueTrimmed()