diff --git a/tests/request/type_cast_helper_test.php b/tests/request/type_cast_helper_test.php
index 176638dc44..8203703639 100644
--- a/tests/request/type_cast_helper_test.php
+++ b/tests/request/type_cast_helper_test.php
@@ -51,8 +51,8 @@ class phpbb_type_cast_helper_test extends phpbb_test_case
 
 	public function test_nested_untrimmed_recursive_set_var()
 	{
-		$data = array(' eviL<3		 ');
-		$expected = array(' eviL&lt;3		 ');
+		$data = array(" eviL<3\t\t");
+		$expected = array(" eviL&lt;3\t\t");
 
 		$this->type_cast_helper->recursive_set_var($data, array(0 => ''), true, false);