diff --git a/SourceLevelDebugPkg/SourceLevelDebugPkg.dsc b/SourceLevelDebugPkg/SourceLevelDebugPkg.dsc
index 2049311fef..a54cff5177 100644
--- a/SourceLevelDebugPkg/SourceLevelDebugPkg.dsc
+++ b/SourceLevelDebugPkg/SourceLevelDebugPkg.dsc
@@ -2,7 +2,7 @@
 #
 # Source Level Debug Package.
 #
-# Copyright (c) 2010, Intel Corporation. All rights reserved.<BR>
+# Copyright (c) 2010 - 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
@@ -31,6 +31,7 @@
 
 [LibraryClasses.common]
   DebugLib|MdePkg/Library/UefiDebugLibStdErr/UefiDebugLibStdErr.inf
+  DebugPrintErrorLevelLib|MdePkg/Library/BaseDebugPrintErrorLevelLib/BaseDebugPrintErrorLevelLib.inf  
   BaseLib|MdePkg/Library/BaseLib/BaseLib.inf
   BaseMemoryLib|MdePkg/Library/BaseMemoryLib/BaseMemoryLib.inf
   TimerLib|MdePkg/Library/BaseTimerLibNullTemplate/BaseTimerLibNullTemplate.inf