diff --git a/dev/FixtureBlueprint.php b/dev/FixtureBlueprint.php
index 532c16b56..265623bbe 100644
--- a/dev/FixtureBlueprint.php
+++ b/dev/FixtureBlueprint.php
@@ -183,14 +183,8 @@ class FixtureBlueprint {
 
 			// If LastEdited was set in the fixture, set it here
 			if($data && array_key_exists('LastEdited', $data)) {
-				$edited = $this->parseValue($data['LastEdited'], $fixtures);
-				DB::manipulate(array(
-					$class => array(
-						"command" => "update", "id" => $obj->id,
-						"fields" => array("LastEdited" => "'".$edited."'")
-					)
-				));
-			}	
+				$this->overrideField($obj, 'LastEdited', $data['LastEdited'], $fixtures);
+			}
 		} catch(Exception $e) {
 			Config::inst()->update('DataObject', 'validation_enabled', $validationenabled);
 			throw $e;
@@ -288,4 +282,17 @@ class FixtureBlueprint {
 		$obj->$name = $this->parseValue($value, $fixtures);
 	}
 
+	protected function overrideField($obj, $fieldName, $value, $fixtures = null) {
+		$table = ClassInfo::table_for_object_field(get_class($obj), $fieldName);
+		$value = $this->parseValue($value, $fixtures);
+
+		DB::manipulate(array(
+			$table => array(
+				"command" => "update", "id" => $obj->ID,
+				"fields" => array($fieldName => is_string($value) ? "'$value'" : $value)
+			)
+		));
+		$obj->$fieldName = $value;
+	}
+
 }
\ No newline at end of file
diff --git a/tests/dev/FixtureBlueprintTest.php b/tests/dev/FixtureBlueprintTest.php
index 591ab6e36..358a50faf 100644
--- a/tests/dev/FixtureBlueprintTest.php
+++ b/tests/dev/FixtureBlueprintTest.php
@@ -9,7 +9,9 @@ class FixtureBlueprintTest extends SapphireTest {
 
 	protected $extraDataObjects = array(
 		'FixtureFactoryTest_DataObject',
-		'FixtureFactoryTest_DataObjectRelation'
+		'FixtureFactoryTest_DataObjectRelation',
+		'FixtureBlueprintTest_SiteTree',
+		'FixtureBlueprintTest_Page'
 	);
 
 	public function testCreateWithRelationshipExtraFields() {
@@ -180,6 +182,40 @@ class FixtureBlueprintTest extends SapphireTest {
 		$this->assertEquals(99, $obj->ID);
 	}
 
+	public function testCreateWithLastEdited() {
+		$extpectedDate = '2010-12-14 16:18:20';
+		$blueprint = new FixtureBlueprint('FixtureFactoryTest_DataObject');
+		$obj = $blueprint->createObject('lastedited', array('LastEdited' => $extpectedDate));
+		$this->assertNotNull($obj);
+		$this->assertEquals($extpectedDate, $obj->LastEdited);
+
+		$obj = FixtureFactoryTest_DataObject::get()->byID($obj->ID);
+		$this->assertEquals($extpectedDate, $obj->LastEdited);
+	}
+
+	public function testCreateWithClassAncestry() {
+		$data = array(
+			'Title' => 'My Title',
+			'Created' => '2010-12-14 16:18:20',
+			'LastEdited' => '2010-12-14 16:18:20',
+			'PublishDate' => '2015-12-09 06:03:00'
+		);
+		$blueprint = new FixtureBlueprint('FixtureBlueprintTest_Article');
+		$obj = $blueprint->createObject('home', $data);
+		$this->assertNotNull($obj);
+		$this->assertEquals($data['Title'], $obj->Title);
+		$this->assertEquals($data['Created'], $obj->Created);
+		$this->assertEquals($data['LastEdited'], $obj->LastEdited);
+		$this->assertEquals($data['PublishDate'], $obj->PublishDate);
+
+		$obj = FixtureBlueprintTest_Article::get()->byID($obj->ID);
+		$this->assertNotNull($obj);
+		$this->assertEquals($data['Title'], $obj->Title);
+		$this->assertEquals($data['Created'], $obj->Created);
+		$this->assertEquals($data['LastEdited'], $obj->LastEdited);
+		$this->assertEquals($data['PublishDate'], $obj->PublishDate);
+	}
+
 	public function testCallbackOnBeforeCreate() {
 		$blueprint = new FixtureBlueprint('FixtureFactoryTest_DataObject');
 		$this->_called = 0;
@@ -231,4 +267,33 @@ class FixtureBlueprintTest extends SapphireTest {
 		$this->assertEquals('Override Name', $obj2->Name);
 	}
 	
-}
\ No newline at end of file
+}
+
+/**
+ * @package framework
+ * @subpackage tests
+ */
+class FixtureBlueprintTest_SiteTree extends DataObject implements TestOnly {
+
+	private static $db = array(
+		"Title" => "Varchar"
+	);
+}
+
+/**
+ * @package framework
+ * @subpackage tests
+ */
+class FixtureBlueprintTest_Page extends FixtureBlueprintTest_SiteTree {
+
+	private static $db = array(
+		'PublishDate' => 'SS_DateTime'
+	);
+}
+
+/**
+ * @package framework
+ * @subpackage tests
+ */
+class FixtureBlueprintTest_Article extends FixtureBlueprintTest_Page {
+}