diff --git a/cake/libs/view/helpers/javascript.php b/cake/libs/view/helpers/javascript.php
index c8c055f16..5b9603af9 100644
--- a/cake/libs/view/helpers/javascript.php
+++ b/cake/libs/view/helpers/javascript.php
@@ -373,7 +373,7 @@ class JavascriptHelper extends AppHelper {
 				if ((!count($stringKeys) && !is_numeric($val) && !is_bool($val)) || ($quoteKeys && in_array($key, $stringKeys, true)) || (!$quoteKeys && !in_array($key, $stringKeys, true))) {
 					$val = $q . $this->escapeString($val) . $q;
 				}
-				if ($val == null) {
+				if ($val === null) {
 					$val = 'null';
 				}
 			}
diff --git a/cake/tests/cases/libs/view/helpers/javascript.test.php b/cake/tests/cases/libs/view/helpers/javascript.test.php
index 81effda0b..909d24df2 100644
--- a/cake/tests/cases/libs/view/helpers/javascript.test.php
+++ b/cake/tests/cases/libs/view/helpers/javascript.test.php
@@ -49,19 +49,19 @@ class JavascriptTest extends UnitTestCase {
 	function testLink() {
 		$result = $this->js->link('script.js');
 		$expected = '<script type="text/javascript" src="js/script.js"></script>';
-		$this->assertEqual($result, $expected, "Error creating link, expected '{$expected}', got '{$result}'.");
+		$this->assertEqual($result, $expected);
 		
 		$result = $this->js->link('script');
 		$expected = '<script type="text/javascript" src="js/script.js"></script>';
-		$this->assertEqual($result, $expected, "Error creating link, expected '{$expected}', got '{$result}'.");
+		$this->assertEqual($result, $expected);
 		
 		$result = $this->js->link('scriptaculous.js?load=effects');
 		$expected = '<script type="text/javascript" src="js/scriptaculous.js?load=effects"></script>';
-		$this->assertEqual($result, $expected, "Error creating link, expected '{$expected}', got '{$result}'.");
+		$this->assertEqual($result, $expected);
 		
 		$result = $this->js->link('jquery-1.1.2');
 		$expected = '<script type="text/javascript" src="js/jquery-1.1.2.js"></script>';
-		$this->assertEqual($result, $expected, "Error creating link, expected '{$expected}', got '{$result}'.");
+		$this->assertEqual($result, $expected);
 	}
 	
 	function testObjectGeneration() {
@@ -69,7 +69,11 @@ class JavascriptTest extends UnitTestCase {
 
 		$result = $this->js->object($object);
 		$expected = '{"title":"New thing", "indexes":[5, 6, 7, 8]}';
-		$this->assertEqual($result, $expected, "Error generating JavaScript object, expected '{$expected}', got '{$result}'.");
+		$this->assertEqual($result, $expected);
+
+		$result = $this->js->object(array('default' => 0));
+		$expected = '{"default":0}';
+		$this->assertEqual($result, $expected);
 	}
 
 	function tearDown() {