diff --git a/Platforms/ARM/VExpress/ArmVExpress-FVP-AArch64.dsc b/Platforms/ARM/VExpress/ArmVExpress-FVP-AArch64.dsc
index b2a1f64..9832f02 100644
--- a/Platforms/ARM/VExpress/ArmVExpress-FVP-AArch64.dsc
+++ b/Platforms/ARM/VExpress/ArmVExpress-FVP-AArch64.dsc
@@ -79,6 +79,10 @@
   #  It could be set FALSE to save size.
   gEfiMdeModulePkgTokenSpaceGuid.PcdConOutGopSupport|TRUE
 
+!ifdef ARM_FVP_GICV3_WITH_V2_LEGACY
+  gArmTokenSpaceGuid.PcdArmGicV3WithV2Legacy|TRUE
+!endif
+
 [PcdsFixedAtBuild.common]
   gArmPlatformTokenSpaceGuid.PcdFirmwareVendor|"ARM Fixed Virtual Platform"
   gEmbeddedTokenSpaceGuid.PcdEmbeddedPrompt|"ARM-FVP"