diff --git a/NetworkPkg/HttpBootDxe/HttpBootDhcp4.h b/NetworkPkg/HttpBootDxe/HttpBootDhcp4.h
index 74bbdac58e..606a466aae 100644
--- a/NetworkPkg/HttpBootDxe/HttpBootDhcp4.h
+++ b/NetworkPkg/HttpBootDxe/HttpBootDhcp4.h
@@ -2,6 +2,7 @@
   Functions declaration related with DHCPv4 for HTTP boot driver.
 
 Copyright (c) 2015 - 2018, Intel Corporation. All rights reserved.<BR>
+Copyright (c) 2020, Hewlett Packard Enterprise Development LP. All rights reserved.<BR>
 SPDX-License-Identifier: BSD-2-Clause-Patent
 
 **/
@@ -35,6 +36,8 @@ SPDX-License-Identifier: BSD-2-Clause-Patent
 #define EFI_HTTP_BOOT_CLIENT_SYSTEM_ARCHITECTURE    HTTP_CLIENT_ARCH_ARM
 #elif defined (MDE_CPU_AARCH64)
 #define EFI_HTTP_BOOT_CLIENT_SYSTEM_ARCHITECTURE    HTTP_CLIENT_ARCH_AARCH64
+#elif defined (MDE_CPU_RISCV64)
+#define EFI_HTTP_BOOT_CLIENT_SYSTEM_ARCHITECTURE    HTTP_CLIENT_ARCH_RISCV64
 #elif defined (MDE_CPU_EBC)
 #define EFI_HTTP_BOOT_CLIENT_SYSTEM_ARCHITECTURE    HTTP_CLIENT_ARCH_EBC
 #endif