diff --git a/composer.json b/composer.json
index f2a89158..bebe9423 100644
--- a/composer.json
+++ b/composer.json
@@ -35,10 +35,10 @@
 	],
 	"autoload": {
 		"psr-0": {
-			"Oauth2": "src/"
+			"OAuth2": "src/"
 		}
 	},
 	"suggest": {
 		"lncd/oauth2-facebook": "Adds support for Facebook as an IDP"
 	}
-}
\ No newline at end of file
+}
diff --git a/src/OAuth2/Authentication/Database.php b/src/OAuth2/Authentication/Database.php
index d4ef203f..7a1398e4 100644
--- a/src/OAuth2/Authentication/Database.php
+++ b/src/OAuth2/Authentication/Database.php
@@ -1,6 +1,6 @@
 <?php
 
-namespace Oauth2\Authentication;
+namespace OAuth2\Authentication;
 
 interface Database
 {
diff --git a/src/OAuth2/Authentication/Server.php b/src/OAuth2/Authentication/Server.php
index 2a191c21..61306c5d 100644
--- a/src/OAuth2/Authentication/Server.php
+++ b/src/OAuth2/Authentication/Server.php
@@ -1,6 +1,6 @@
 <?php
 
-namespace Oauth2\Authentication;
+namespace OAuth2\Authentication;
 
 class ClientException extends \Exception
 {