diff --git a/ShellPkg/ShellPkg.dsc b/ShellPkg/ShellPkg.dsc
index b2e2436c1b..b7ba2a8c46 100644
--- a/ShellPkg/ShellPkg.dsc
+++ b/ShellPkg/ShellPkg.dsc
@@ -1,7 +1,7 @@
 ##  @file
 # Shell Package
 #
-# Copyright (c) 2007 - 2010, Intel Corporation. All rights reserved.<BR>
+# Copyright (c) 2007 - 2011, Intel Corporation. All rights reserved.<BR>
 #
 #    This program and the accompanying materials
 #    are licensed and made available under the terms and conditions of the BSD License
@@ -28,6 +28,7 @@
   UefiBootServicesTableLib|MdePkg/Library/UefiBootServicesTableLib/UefiBootServicesTableLib.inf
   DevicePathLib|MdePkg/Library/UefiDevicePathLib/UefiDevicePathLib.inf
   DebugLib|MdePkg/Library/BaseDebugLibNull/BaseDebugLibNull.inf
+  DebugPrintErrorLevelLib|MdePkg/Library/BaseDebugPrintErrorLevelLib/BaseDebugPrintErrorLevelLib.inf  
   PcdLib|MdePkg/Library/BasePcdLibNull/BasePcdLibNull.inf
   MemoryAllocationLib|MdePkg/Library/UefiMemoryAllocationLib/UefiMemoryAllocationLib.inf
   UefiLib|MdePkg/Library/UefiLib/UefiLib.inf