diff --git a/uefi-sct/SctPkg/TestCase/UEFI/IHV/Protocol/AdapterInfo/BlackBoxTest/Guid.c b/uefi-sct/SctPkg/TestCase/UEFI/IHV/Protocol/AdapterInfo/BlackBoxTest/Guid.c
index b58e8aca..8dcd2da7 100644
--- a/uefi-sct/SctPkg/TestCase/UEFI/IHV/Protocol/AdapterInfo/BlackBoxTest/Guid.c
+++ b/uefi-sct/SctPkg/TestCase/UEFI/IHV/Protocol/AdapterInfo/BlackBoxTest/Guid.c
@@ -61,7 +61,7 @@ EFI_GUID gEfiAdapterInfoSanMacAddressGuid           = EFI_ADAPTER_INFO_SAN_MAC_A
 
 EFI_GUID gEfiAdapterInfoNetworkBootGuid             = EFI_ADAPTER_INFO_NETWORK_BOOT_GUID;
 
-EFI_GUID gEfiAdapterInfoUndiIPv6SupportGuid         = EFI_ADAPTER_INFO_NETWORK_BOOT_GUID;
+EFI_GUID gEfiAdapterInfoUndiIPv6SupportGuid         = EFI_ADAPTER_INFO_UNDI_IPV6_SUPPORT_GUID;
 
 EFI_GUID gEfiAdapterInfoMediaTypeGuid               = EFI_ADAPTER_INFO_MEDIA_TYPE_GUID;