diff --git a/UefiCpuPkg/CpuDxe/CpuDxe.c b/UefiCpuPkg/CpuDxe/CpuDxe.c
index 621867090f..b386f3b677 100644
--- a/UefiCpuPkg/CpuDxe/CpuDxe.c
+++ b/UefiCpuPkg/CpuDxe/CpuDxe.c
@@ -31,57 +31,57 @@ UINT64                    mTimerPeriod = 0;
 
 FIXED_MTRR    mFixedMtrrTable[] = {
   {
-    MTRR_LIB_IA32_MTRR_FIX64K_00000,
+    MSR_IA32_MTRR_FIX64K_00000,
     0,
     0x10000
   },
   {
-    MTRR_LIB_IA32_MTRR_FIX16K_80000,
+    MSR_IA32_MTRR_FIX16K_80000,
     0x80000,
     0x4000
   },
   {
-    MTRR_LIB_IA32_MTRR_FIX16K_A0000,
+    MSR_IA32_MTRR_FIX16K_A0000,
     0xA0000,
     0x4000
   },
   {
-    MTRR_LIB_IA32_MTRR_FIX4K_C0000,
+    MSR_IA32_MTRR_FIX4K_C0000,
     0xC0000,
     0x1000
   },
   {
-    MTRR_LIB_IA32_MTRR_FIX4K_C8000,
+    MSR_IA32_MTRR_FIX4K_C8000,
     0xC8000,
     0x1000
   },
   {
-    MTRR_LIB_IA32_MTRR_FIX4K_D0000,
+    MSR_IA32_MTRR_FIX4K_D0000,
     0xD0000,
     0x1000
   },
   {
-    MTRR_LIB_IA32_MTRR_FIX4K_D8000,
+    MSR_IA32_MTRR_FIX4K_D8000,
     0xD8000,
     0x1000
   },
   {
-    MTRR_LIB_IA32_MTRR_FIX4K_E0000,
+    MSR_IA32_MTRR_FIX4K_E0000,
     0xE0000,
     0x1000
   },
   {
-    MTRR_LIB_IA32_MTRR_FIX4K_E8000,
+    MSR_IA32_MTRR_FIX4K_E8000,
     0xE8000,
     0x1000
   },
   {
-    MTRR_LIB_IA32_MTRR_FIX4K_F0000,
+    MSR_IA32_MTRR_FIX4K_F0000,
     0xF0000,
     0x1000
   },
   {
-    MTRR_LIB_IA32_MTRR_FIX4K_F8000,
+    MSR_IA32_MTRR_FIX4K_F8000,
     0xF8000,
     0x1000
   },
diff --git a/UefiCpuPkg/CpuDxe/CpuDxe.h b/UefiCpuPkg/CpuDxe/CpuDxe.h
index 27ad45bf9b..4861abee76 100644
--- a/UefiCpuPkg/CpuDxe/CpuDxe.h
+++ b/UefiCpuPkg/CpuDxe/CpuDxe.h
@@ -19,6 +19,7 @@
 
 #include <Protocol/Cpu.h>
 #include <Protocol/MpService.h>
+#include <Register/Msr.h>
 
 #include <Ppi/SecPlatformInformation.h>
 #include <Ppi/SecPlatformInformation2.h>