diff --git a/EdkCompatibilityPkg/EdkCompatibilityPkg.dsc b/EdkCompatibilityPkg/EdkCompatibilityPkg.dsc
index 16769753bd..35eee6dee6 100644
--- a/EdkCompatibilityPkg/EdkCompatibilityPkg.dsc
+++ b/EdkCompatibilityPkg/EdkCompatibilityPkg.dsc
@@ -234,7 +234,7 @@ define GCC_MACRO                 = -DEFI_SPECIFICATION_VERSION=0x00020000 -DPI_S
   EdkCompatibilityPkg/Foundation/Library/EdkIIGlueLib/Library/PeiPerformanceLib/PeiPerformanceLib.inf # Use IA32/X64 specific AsmReadTsc ().
 
 [Components.IPF]
-  EdkCompatibilityPkg/Foundation/Cpu/Itanium/CpuIa64Lib/CpuIA64Lib.inf
+  EdkCompatibilityPkg/Foundation/Cpu/Itanium/CpuIa64Lib/CpuIa64Lib.inf
   EdkCompatibilityPkg/Foundation/Library/EdkIIGlueLib/Library/EdkDxeSalLib/EdkDxeSalLib.inf
   EdkCompatibilityPkg/Foundation/Library/EdkIIGlueLib/Library/PeiServicesTablePointerLibKr1/PeiServicesTablePointerLibKr1.inf
 
@@ -247,7 +247,7 @@ define GCC_MACRO                 = -DEFI_SPECIFICATION_VERSION=0x00020000 -DPI_S
   EdkCompatibilityPkg/Foundation/Guid/EdkGuidLib.inf
   EdkCompatibilityPkg/Foundation/Library/EfiCommonLib/EfiCommonLib_Edk2.inf
   EdkCompatibilityPkg/Foundation/Cpu/Pentium/CpuIA32Lib/CpuIA32Lib_Edk2.inf
-  EdkCompatibilityPkg/Foundation/Cpu/Itanium/CpuIA64Lib/CpuIA64Lib.inf
+  EdkCompatibilityPkg/Foundation/Cpu/Itanium/CpuIa64Lib/CpuIa64Lib.inf
   EdkCompatibilityPkg/Foundation/Library/CompilerStub/CompilerStubLib_Edk2.inf
   EdkCompatibilityPkg/Foundation/Library/CustomizedDecompress/CustomizedDecompress.inf
   EdkCompatibilityPkg/Foundation/Library/Dxe/Hob/HobLib.inf
@@ -337,7 +337,7 @@ define GCC_MACRO                 = -DEFI_SPECIFICATION_VERSION=0x00020000 -DPI_S
   EdkCompatibilityPkg/Foundation/Library/EdkIIGlueLib/Library/PeiPerformanceLib/PeiPerformanceLib.inf # Use IA32/X64 specific AsmReadTsc ().
 
 [Libraries.IPF]
-  EdkCompatibilityPkg/Foundation/Cpu/Itanium/CpuIa64Lib/CpuIA64Lib.inf
+  EdkCompatibilityPkg/Foundation/Cpu/Itanium/CpuIa64Lib/CpuIa64Lib.inf
   EdkCompatibilityPkg/Foundation/Library/EdkIIGlueLib/Library/EdkDxeSalLib/EdkDxeSalLib.inf
   EdkCompatibilityPkg/Foundation/Library/EdkIIGlueLib/Library/PeiServicesTablePointerLibKr1/PeiServicesTablePointerLibKr1.inf