diff --git a/ArmVirtPkg/ArmVirtQemu.dsc b/ArmVirtPkg/ArmVirtQemu.dsc
index ef5d6dbead..b8bc08d739 100644
--- a/ArmVirtPkg/ArmVirtQemu.dsc
+++ b/ArmVirtPkg/ArmVirtQemu.dsc
@@ -204,6 +204,7 @@
 !endif
 
   gEfiMdePkgTokenSpaceGuid.PcdReportStatusCodePropertyMask|3
+  gEfiShellPkgTokenSpaceGuid.PcdShellFileOperationSize|0x20000
 
 [PcdsFixedAtBuild.AARCH64]
   # Clearing BIT0 in this PCD prevents installing a 32-bit SMBIOS entry point,
diff --git a/ArmVirtPkg/ArmVirtQemuKernel.dsc b/ArmVirtPkg/ArmVirtQemuKernel.dsc
index f8f5f7f4b9..2ef86f9668 100644
--- a/ArmVirtPkg/ArmVirtQemuKernel.dsc
+++ b/ArmVirtPkg/ArmVirtQemuKernel.dsc
@@ -174,6 +174,7 @@
 !endif
 
   gEfiMdePkgTokenSpaceGuid.PcdReportStatusCodePropertyMask|3
+  gEfiShellPkgTokenSpaceGuid.PcdShellFileOperationSize|0x20000
 
 [PcdsPatchableInModule.common]
   # we need to provide a resolution for this PCD that supports PcdSet64()