diff --git a/SecurityPkg/VariableAuthenticated/RuntimeDxe/VarCheck.c b/SecurityPkg/VariableAuthenticated/RuntimeDxe/VarCheck.c
index da834e15d0..740632f288 100644
--- a/SecurityPkg/VariableAuthenticated/RuntimeDxe/VarCheck.c
+++ b/SecurityPkg/VariableAuthenticated/RuntimeDxe/VarCheck.c
@@ -404,6 +404,17 @@ UEFI_DEFINED_VARIABLE_ENTRY mGlobalVariableList[] = {
     },
     InternalVarCheckSizeArray
   },
+  {
+    EFI_SYS_PREP_ORDER_VARIABLE_NAME,
+    {
+      VAR_CHECK_VARIABLE_PROPERTY_REVISION,
+      0,
+      VARIABLE_ATTRIBUTE_NV_BS_RT,
+      sizeof (UINT16),
+      MAX_UINTN
+    },
+    InternalVarCheckSizeArray
+  },
   {
     EFI_HW_ERR_REC_SUPPORT_VARIABLE_NAME,
     {
@@ -582,6 +593,17 @@ UEFI_DEFINED_VARIABLE_ENTRY mGlobalVariableList2[] = {
     },
     InternalVarCheckLoadOption
   },
+  {
+    L"SysPrep####",
+    {
+      VAR_CHECK_VARIABLE_PROPERTY_REVISION,
+      0,
+      VARIABLE_ATTRIBUTE_NV_BS_RT,
+      sizeof (UINT32) + sizeof (UINT16),
+      MAX_UINTN
+    },
+    InternalVarCheckLoadOption
+  },
   {
     L"Key####",
     {