diff --git a/cake/libs/config/ini_reader.php b/cake/libs/config/ini_reader.php
index e20f8dcfb..7ab9694ce 100644
--- a/cake/libs/config/ini_reader.php
+++ b/cake/libs/config/ini_reader.php
@@ -71,6 +71,12 @@ class IniReader implements ConfigReaderInterface {
  */
 	public function read($file) {
 		$filename = $this->_path . $file;
+		if (!file_exists($filename)) {
+			$filename .= '.ini';
+			if (!file_exists($filename)) {
+				throw new ConfigureException(__('Could not load configuration files: %s or %s', substr($filename, 0, -4), $filename));
+			}
+		}
 		$contents = parse_ini_file($filename, true);
 		if (!empty($this->_section) && isset($contents[$this->_section])) {
 			$values = $this->_parseNestedValues($contents[$this->_section]);
diff --git a/cake/libs/config/php_reader.php b/cake/libs/config/php_reader.php
index c122f0808..acd0f94df 100644
--- a/cake/libs/config/php_reader.php
+++ b/cake/libs/config/php_reader.php
@@ -57,15 +57,21 @@ class PhpReader implements ConfigReaderInterface {
 		if (strpos($key, '..') !== false) {
 			throw new ConfigureException(__('Cannot load configuration files with ../ in them.'));
 		}
+		if (substr($key, -4) === '.php') {
+			$key = substr($key, 0, -4);
+		}
 		list($plugin, $key) = pluginSplit($key);
 		
 		if ($plugin) {
-			$file = App::pluginPath($plugin) . 'config' . DS . $key . '.php';
+			$file = App::pluginPath($plugin) . 'config' . DS . $key;
 		} else {
-			$file = $this->_path . $key . '.php';
+			$file = $this->_path . $key;
 		}
 		if (!file_exists($file)) {
-			throw new ConfigureException(__('Could not load configuration file: ') . $file);
+			$file .= '.php';
+			if (!file_exists($file)) {
+				throw new ConfigureException(__('Could not load configuration files: %s or %s', substr($file, 0, -4), $file));
+			}
 		}
 		include $file;
 		if (!isset($config)) {
diff --git a/cake/tests/cases/libs/config/ini_reader.test.php b/cake/tests/cases/libs/config/ini_reader.test.php
index 3db8bb942..4f077873a 100644
--- a/cake/tests/cases/libs/config/ini_reader.test.php
+++ b/cake/tests/cases/libs/config/ini_reader.test.php
@@ -114,4 +114,15 @@ class IniReaderTest extends CakeTestCase {
 
 		$this->assertFalse($config['bools']['test_null']);
 	}
+
+/**
+ * test read file without extension
+ *
+ * @return void
+ */
+	public function testReadingWithoutExtension() {
+		$reader = new IniReader($this->path);
+		$config = $reader->read('nested');
+		$this->assertTrue($config['bools']['test_on']);
+	}
 }
\ No newline at end of file
diff --git a/cake/tests/cases/libs/config/php_reader.test.php b/cake/tests/cases/libs/config/php_reader.test.php
index 63957ea62..a1d3034fc 100644
--- a/cake/tests/cases/libs/config/php_reader.test.php
+++ b/cake/tests/cases/libs/config/php_reader.test.php
@@ -38,6 +38,9 @@ class PhpReaderTest extends CakeTestCase {
 		$values = $reader->read('var_test');
 		$this->assertEquals('value', $values['Read']);
 		$this->assertEquals('buried', $values['Deep']['Deeper']['Deepest']);
+
+		$values = $reader->read('var_test.php');
+		$this->assertEquals('value', $values['Read']);
 	}
 
 /**
@@ -84,7 +87,9 @@ class PhpReaderTest extends CakeTestCase {
 		), true);
 		$reader = new PhpReader($this->path);
 		$result = $reader->read('TestPlugin.load');
+		$this->assertTrue(isset($result['plugin_load']));
 
+		$result = $reader->read('TestPlugin.load.php');
 		$this->assertTrue(isset($result['plugin_load']));
 	}
 }