diff --git a/OvmfPkg/IntelTdx/TdxHelperLib/SecTdxHelper.c b/OvmfPkg/IntelTdx/TdxHelperLib/SecTdxHelper.c
index b6085eab44..19e9b1bf54 100644
--- a/OvmfPkg/IntelTdx/TdxHelperLib/SecTdxHelper.c
+++ b/OvmfPkg/IntelTdx/TdxHelperLib/SecTdxHelper.c
@@ -643,6 +643,8 @@ ValidateHobList (
                                                             EFI_RESOURCE_ATTRIBUTE_PERSISTABLE |
                                                             EFI_RESOURCE_ATTRIBUTE_READ_ONLY_PROTECTED |
                                                             EFI_RESOURCE_ATTRIBUTE_READ_ONLY_PROTECTABLE |
+                                                            EFI_RESOURCE_ATTRIBUTE_ENCRYPTED|
+                                                            EFI_RESOURCE_ATTRIBUTE_SPECIAL_PURPOSE |
                                                             EFI_RESOURCE_ATTRIBUTE_MORE_RELIABLE))) != 0)
         {
           DEBUG ((DEBUG_ERROR, "HOB: Unknow ResourceDescriptor ResourceAttribute type. Type: 0x%08x\n", Hob.ResourceDescriptor->ResourceAttribute));