diff --git a/cake/libs/configure.php b/cake/libs/configure.php
index 7fde786017c..4332317423f 100644
--- a/cake/libs/configure.php
+++ b/cake/libs/configure.php
@@ -284,7 +284,10 @@ public static function config($name, ConfigReaderInterface $reader) {
  *
  * @return array Array of the configured reader objects.
  */
-	public static function configured() {
+	public static function configured($name = null) {
+		if ($name) {
+			return isset(self::$_readers[$name]);
+		}
 		return array_keys(self::$_readers);
 	}
 
diff --git a/cake/tests/cases/libs/configure.test.php b/cake/tests/cases/libs/configure.test.php
index 0e3a3b52ca1..eb9cb63b5f1 100644
--- a/cake/tests/cases/libs/configure.test.php
+++ b/cake/tests/cases/libs/configure.test.php
@@ -294,6 +294,10 @@ function testReaderSetup() {
 		$configured = Configure::configured();
 
 		$this->assertTrue(in_array('test', $configured));
+
+		$this->assertTrue(Configure::configured('test'));
+		$this->assertFalse(Configure::configured('fake_garbage'));
+
 		$this->assertTrue(Configure::drop('test'));
 		$this->assertFalse(Configure::drop('test'), 'dropping things that do not exist should return false.');
 	}