diff --git a/tests/forms/gridfield/GridFieldFilterHeaderTest.php b/tests/forms/gridfield/GridFieldFilterHeaderTest.php
index a7c715b4c..fb47d1fe4 100644
--- a/tests/forms/gridfield/GridFieldFilterHeaderTest.php
+++ b/tests/forms/gridfield/GridFieldFilterHeaderTest.php
@@ -13,6 +13,7 @@ class GridFieldFilterHeaderTest extends SapphireTest {
 		$method->setAccessible(true);
 		$this->assertEquals('Title', $method->invoke($header, $class,'Title.ATT'));
 		$this->assertEquals('isTest', $method->invoke($header, $class, 'isTest.Nice'));
+		$this->assertEquals('Self.isTest.Nice', $method->invoke($header, $class, 'Self.isTest.Nice'));
 	}
 
 }
@@ -24,4 +25,8 @@ class GridFieldFilterHeaderTest_DataObject extends DataObject implements TestOnl
 	    'isTest' => 'Boolean',
 	);
 
+	private static $has_one = array(
+		'Self' => 'GridFieldFilterHeaderTest_DataObject',
+	);
+
 }