diff --git a/lib/Doctrine/Compiler.php b/lib/Doctrine/Compiler.php
index f4a4dce5d..372b4f170 100644
--- a/lib/Doctrine/Compiler.php
+++ b/lib/Doctrine/Compiler.php
@@ -44,14 +44,14 @@ class Doctrine_Compiler {
                          'Connection',
                          'Connection_Exception',
                          'Connection_UnitOfWork',
-                         'DB',
-                         'DB_Exception',
-                         'DB_EventListener',
-                         'DB_Event',
-                         'DB_EventListener_Chain',
-                         'DB_EventListener_Interface',
-                         'DB_Profiler',
-                         'DB_Statement',
+                         'Db',
+                         'Db_Exception',
+                         'Db_EventListener',
+                         'Db_Event',
+                         'Db_EventListener_Chain',
+                         'Db_EventListener_Interface',
+                         'Db_Profiler',
+                         'Db_Statement',
                          'Exception',
                          'EventListener_Interface',
                          'EventListener',