diff --git a/system/Config/Config.php b/system/Config/Config.php
index 0cf79dd3e7..8cef1942d5 100644
--- a/system/Config/Config.php
+++ b/system/Config/Config.php
@@ -70,8 +70,6 @@ class Config
 			$class = substr($name, $pos + 1);
 		}
 
-		$class = strtolower($class);
-
 		if (! $getShared)
 		{
 			return self::createClass($name);
diff --git a/tests/system/Config/ConfigTest.php b/tests/system/Config/ConfigTest.php
index b1e8397fff..ea08b26e98 100644
--- a/tests/system/Config/ConfigTest.php
+++ b/tests/system/Config/ConfigTest.php
@@ -7,12 +7,10 @@ class ConfigTest extends \CIUnitTestCase
 
 	public function testCreateSingleInstance()
 	{
-		$Config = Config::get('email', false);
-		$UpperConfig = Config::get('Email', false);
+		$Config = Config::get('Email', false);
 		$NamespaceConfig = Config::get('Config\\Email', false);
 
 		$this->assertInstanceOf(Email::class, $Config);
-		$this->assertInstanceOf(Email::class, $UpperConfig);
 		$this->assertInstanceOf(Email::class, $NamespaceConfig);
 	}
 
@@ -25,7 +23,7 @@ class ConfigTest extends \CIUnitTestCase
 
 	public function testCreateSharedInstance()
 	{
-		$Config = Config::get('email' );
+		$Config = Config::get('Email' );
 		$Config2 = Config::get('Config\\Email');
 
 		$this->assertTrue($Config === $Config2);
@@ -33,7 +31,7 @@ class ConfigTest extends \CIUnitTestCase
 
 	public function testCreateNonConfig()
 	{
-		$Config = Config::get('constants', false);
+		$Config = Config::get('Constants', false);
 
 		$this->assertNull($Config);
 	}