diff --git a/ArmVirtPkg/ArmVirt.dsc.inc b/ArmVirtPkg/ArmVirt.dsc.inc
index bc308f5271..0e7a1098a3 100644
--- a/ArmVirtPkg/ArmVirt.dsc.inc
+++ b/ArmVirtPkg/ArmVirt.dsc.inc
@@ -349,7 +349,7 @@
   gEmbeddedTokenSpaceGuid.PcdMemoryTypeEfiRuntimeServicesCode|150
   gEmbeddedTokenSpaceGuid.PcdMemoryTypeEfiBootServicesCode|1000
 !endif
-  gEmbeddedTokenSpaceGuid.PcdMemoryTypeEfiBootServicesData|20000
+  gEmbeddedTokenSpaceGuid.PcdMemoryTypeEfiBootServicesData|12000
   gEmbeddedTokenSpaceGuid.PcdMemoryTypeEfiLoaderCode|20
   gEmbeddedTokenSpaceGuid.PcdMemoryTypeEfiLoaderData|0