diff --git a/MdeModulePkg/Universal/Acpi/BootScriptExecutorDxe/ScriptExecute.c b/MdeModulePkg/Universal/Acpi/BootScriptExecutorDxe/ScriptExecute.c
index e76abb7b7b..13af957a4d 100644
--- a/MdeModulePkg/Universal/Acpi/BootScriptExecutorDxe/ScriptExecute.c
+++ b/MdeModulePkg/Universal/Acpi/BootScriptExecutorDxe/ScriptExecute.c
@@ -4,7 +4,7 @@
   This driver is dispatched by Dxe core and the driver will reload itself to ACPI reserved memory
   in the entry point. The functionality is to interpret and restore the S3 boot script
 
-Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
+Copyright (c) 2006 - 2019, Intel Corporation. All rights reserved.<BR>
 Copyright (c) 2017, AMD Incorporated. All rights reserved.<BR>
 
 This program and the accompanying materials
@@ -156,7 +156,7 @@ S3BootScriptExecutorEntryFunction (
     TempStackTop = (UINTN)&TempStack + sizeof(TempStack);
     if ((Facs->Version == EFI_ACPI_4_0_FIRMWARE_ACPI_CONTROL_STRUCTURE_VERSION) &&
         ((Facs->Flags & EFI_ACPI_4_0_64BIT_WAKE_SUPPORTED_F) != 0) &&
-        ((Facs->Flags & EFI_ACPI_4_0_OSPM_64BIT_WAKE__F) != 0)) {
+        ((Facs->OspmFlags & EFI_ACPI_4_0_OSPM_64BIT_WAKE__F) != 0)) {
       //
       // X64 long mode waking vector
       //
diff --git a/MdeModulePkg/Universal/Acpi/BootScriptExecutorDxe/X64/SetIdtEntry.c b/MdeModulePkg/Universal/Acpi/BootScriptExecutorDxe/X64/SetIdtEntry.c
index 1c6bb47b60..7b9627d579 100644
--- a/MdeModulePkg/Universal/Acpi/BootScriptExecutorDxe/X64/SetIdtEntry.c
+++ b/MdeModulePkg/Universal/Acpi/BootScriptExecutorDxe/X64/SetIdtEntry.c
@@ -3,7 +3,7 @@
 
   Set a IDT entry for interrupt vector 3 for debug purpose for x64 platform
 
-Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
+Copyright (c) 2006 - 2019, Intel Corporation. All rights reserved.<BR>
 Copyright (c) 2017, AMD Incorporated. All rights reserved.<BR>
 
 
@@ -117,7 +117,7 @@ IsLongModeWakingVector (
   if (Facs->XFirmwareWakingVector != 0) {
     if ((Facs->Version == EFI_ACPI_4_0_FIRMWARE_ACPI_CONTROL_STRUCTURE_VERSION) &&
         ((Facs->Flags & EFI_ACPI_4_0_64BIT_WAKE_SUPPORTED_F) != 0) &&
-        ((Facs->Flags & EFI_ACPI_4_0_OSPM_64BIT_WAKE__F) != 0)) {
+        ((Facs->OspmFlags & EFI_ACPI_4_0_OSPM_64BIT_WAKE__F) != 0)) {
       // Both BIOS and OS wants 64bit vector
       if (FeaturePcdGet (PcdDxeIplSwitchToLongMode)) {
         return TRUE;