diff --git a/src/OAuth2/Database.php b/src/OAuth2/Database.php
index 1ee6b928..6d6a5159 100644
--- a/src/OAuth2/Database.php
+++ b/src/OAuth2/Database.php
@@ -1,6 +1,6 @@
 <?php
 
-namespace OAuth2;
+namespace Oauth2;
 
 interface Database
 {
diff --git a/src/OAuth2/Server.php b/src/OAuth2/Server.php
index b40272f4..94710320 100644
--- a/src/OAuth2/Server.php
+++ b/src/OAuth2/Server.php
@@ -1,6 +1,6 @@
 <?php
 
-namespace OAuth2;
+namespace Oauth2;
 
 class OAuthServerClientException extends \Exception {}