diff --git a/cake/libs/view/helpers/jquery_engine.php b/cake/libs/view/helpers/jquery_engine.php
index 7c592f6e3d6..ccc6e4a941e 100644
--- a/cake/libs/view/helpers/jquery_engine.php
+++ b/cake/libs/view/helpers/jquery_engine.php
@@ -245,6 +245,7 @@ function request($url, $options = array()) {
 			} else {
 				$success = 'function (data, textStatus) {$("' . $options['update'] . '").html(data);}';
 			}
+			$options['dataType'] = 'html';
 			$options['success'] = $success;
 			unset($options['update']);
 		}
diff --git a/cake/tests/cases/libs/view/helpers/jquery_engine.test.php b/cake/tests/cases/libs/view/helpers/jquery_engine.test.php
index 527ea7ead8e..dd96654823a 100644
--- a/cake/tests/cases/libs/view/helpers/jquery_engine.test.php
+++ b/cake/tests/cases/libs/view/helpers/jquery_engine.test.php
@@ -162,7 +162,7 @@ function testRequest() {
 		$result = $this->Jquery->request(array('controller' => 'posts', 'action' => 'view', 1), array(
 			'update' => '#content'
 		));
-		$expected = '$.ajax({success:function (data, textStatus) {$("#content").html(data);}, url:"\/posts\/view\/1"});';
+		$expected = '$.ajax({dataType:"html", success:function (data, textStatus) {$("#content").html(data);}, url:"\/posts\/view\/1"});';
 		$this->assertEqual($result, $expected);
 
 		$result = $this->Jquery->request('/people/edit/1', array(
@@ -184,7 +184,7 @@ function testRequest() {
 			'method' => 'post',
 			'wrapCallbacks' => false
 		));
-		$expected = '$.ajax({success:function (data, textStatus) {$("#updated").html(data);}, type:"post", url:"\\/people\\/edit\\/1"});';
+		$expected = '$.ajax({dataType:"html", success:function (data, textStatus) {$("#updated").html(data);}, type:"post", url:"\\/people\\/edit\\/1"});';
 		$this->assertEqual($result, $expected);
 
 		$result = $this->Jquery->request('/people/edit/1', array(
@@ -195,7 +195,7 @@ function testRequest() {
 			'data' => '$("#someId").serialize()',
 			'wrapCallbacks' => false
 		));
-		$expected = '$.ajax({data:$("#someId").serialize(), success:function (data, textStatus) {$("#updated").html(data);}, type:"post", url:"\\/people\\/edit\\/1"});';
+		$expected = '$.ajax({data:$("#someId").serialize(), dataType:"html", success:function (data, textStatus) {$("#updated").html(data);}, type:"post", url:"\\/people\\/edit\\/1"});';
 		$this->assertEqual($result, $expected);
 
 		$result = $this->Jquery->request('/people/edit/1', array(