diff --git a/lib/Cake/Model/Datasource/DboSource.php b/lib/Cake/Model/Datasource/DboSource.php
index 82dfeeb1e..7893d7413 100644
--- a/lib/Cake/Model/Datasource/DboSource.php
+++ b/lib/Cake/Model/Datasource/DboSource.php
@@ -1836,6 +1836,8 @@ class DboSource extends DataSource {
 
 			if ($quoteValues) {
 				$update .= $this->value($value, $model->getColumnType($field));
+			} elseif ($model->getColumnType($field) == 'boolean') {
+				$update .= $this->boolean($value, true);
 			} elseif (!$alias) {
 				$update .= str_replace($quotedAlias . '.', '', str_replace(
 					$model->alias . '.', '', $value
diff --git a/lib/Cake/Test/Case/Model/ModelWriteTest.php b/lib/Cake/Test/Case/Model/ModelWriteTest.php
index 722512f90..cbb74e32d 100644
--- a/lib/Cake/Test/Case/Model/ModelWriteTest.php
+++ b/lib/Cake/Test/Case/Model/ModelWriteTest.php
@@ -6605,4 +6605,52 @@ class ModelWriteTest extends BaseModelTest {
 		$this->assertEquals($expected, $result);
 	}
 
+/**
+ * testUpdateAllBoolean
+ *
+ * return @void
+ */
+	public function testUpdateAllBoolean() {
+		$this->loadFixtures('Item', 'Syfile', 'Portfolio', 'Image', 'ItemsPortfolio');
+		$TestModel = new Item();
+		$result = $TestModel->updateAll(array('published' => true));
+		$this->assertTrue($result);
+
+		$result = $TestModel->find('first', array('fields' => array('id', 'published')));
+		$this->assertEquals(true, $result['Item']['published']);
+	}
+
+/**
+ * testUpdateAllBooleanConditions
+ *
+ * return @void
+ */
+	public function testUpdateAllBooleanConditions() {
+		$this->loadFixtures('Item', 'Syfile', 'Portfolio', 'Image', 'ItemsPortfolio');
+		$TestModel = new Item();
+
+		$result = $TestModel->updateAll(array('published' => true), array('Item.id' => 1));
+		$this->assertTrue($result);
+		$result = $TestModel->find('first', array(
+			'fields' => array('id', 'published'),
+			'conditions' => array('Item.id' => 1)));
+		$this->assertEquals(true, $result['Item']['published']);
+	}
+
+/**
+ * testUpdateBoolean
+ *
+ * return @void
+ */
+	public function testUpdateBoolean() {
+		$this->loadFixtures('Item', 'Syfile', 'Portfolio', 'Image', 'ItemsPortfolio');
+		$TestModel = new Item();
+
+		$result = $TestModel->save(array('published' => true, 'id' => 1));
+		$this->assertTrue((boolean)$result);
+		$result = $TestModel->find('first', array(
+			'fields' => array('id', 'published'),
+			'conditions' => array('Item.id' => 1)));
+		$this->assertEquals(true, $result['Item']['published']);
+	}
 }