diff --git a/MdeModulePkg/MdeModulePkg.dsc b/MdeModulePkg/MdeModulePkg.dsc
index 898045306e..34c8bce8b7 100644
--- a/MdeModulePkg/MdeModulePkg.dsc
+++ b/MdeModulePkg/MdeModulePkg.dsc
@@ -54,7 +54,7 @@
   PrintLib|${WORKSPACE}/MdePkg/Library/BasePrintLib/BasePrintLib.inf
   TimerLib|${WORKSPACE}/MdePkg/Library/BaseTimerLibNullTemplate/BaseTimerLibNullTemplate.inf
   UefiDecompressLib|${WORKSPACE}/MdePkg/Library/BaseUefiDecompressLib/BaseUefiDecompressLib.inf
-  EdkPeCoffLoaderLib|${WORKSPACE}/MdeModulePkg/Library/PeiDxePeCoffLoaderLib/PeCoffLoaderLib.inf
+  PeCoffLoaderLib|${WORKSPACE}/MdeModulePkg/Library/PeiDxePeCoffLoaderLib/PeCoffLoaderLib.inf
   ReportStatusCodeLib|${WORKSPACE}/IntelFrameworkPkg/Library/PeiReportStatusCodeLib/PeiReportStatusCodeLib.inf
   CustomDecompressLib|${WORKSPACE}/IntelFrameworkModulePkg/Library/BaseUefiTianoCustomDecompressLib/BaseUefiTianoCustomDecompressLib.inf 
   HiiLib|${WORKSPACE}/IntelFrameworkPkg/Library/HiiLibFramework/HiiLib.inf
@@ -85,6 +85,7 @@
   ReportStatusCodeLib|${WORKSPACE}/IntelFrameworkPkg/Library/PeiReportStatusCodeLib/PeiReportStatusCodeLib.inf
   PeiServicesLib|$(WORKSPACE)/MdePkg/Library/PeiServicesLib/PeiServicesLib.inf
   PeCoffGetEntryPointLib|$(WORKSPACE)/MdePkg/Library/BasePeCoffGetEntryPointLib/BasePeCoffGetEntryPointLib.inf
+  OldPeiCoreEntryPoint|$(WORKSPACE)/MdePkg/Library/OldPeiCoreEntryPoint/OldPeiCoreEntryPoint.inf
   
 [LibraryClasses.common.PEIM]
   HobLib|${WORKSPACE}/MdePkg/Library/PeiHobLib/PeiHobLib.inf