diff --git a/ArmVirtPkg/ArmVirtQemu.dsc b/ArmVirtPkg/ArmVirtQemu.dsc
index 995be89ef4..3e4dd229ed 100644
--- a/ArmVirtPkg/ArmVirtQemu.dsc
+++ b/ArmVirtPkg/ArmVirtQemu.dsc
@@ -165,6 +165,10 @@
 [PcdsFixedAtBuild.AARCH64]
   gEfiMdeModulePkgTokenSpaceGuid.PcdSetNxForStack|TRUE
 
+  # KVM limits it IPA space to 40 bits (1 TB), so there is no need to
+  # support anything bigger, even if the host hardware does
+  gEmbeddedTokenSpaceGuid.PcdPrePiCpuMemorySize|40
+
 [PcdsDynamicDefault.common]
   ## If TRUE, OvmfPkg/AcpiPlatformDxe will not wait for PCI
   #  enumeration to complete before installing ACPI tables.