diff --git a/OvmfPkg/OvmfPkgIa32.dsc b/OvmfPkg/OvmfPkgIa32.dsc
index 75c5f46a77..8b6dbb8345 100644
--- a/OvmfPkg/OvmfPkgIa32.dsc
+++ b/OvmfPkg/OvmfPkgIa32.dsc
@@ -562,6 +562,8 @@
   #
 !include NetworkPkg/NetworkPcds.dsc.inc
 
+  gEfiShellPkgTokenSpaceGuid.PcdShellFileOperationSize|0x20000
+
 !if $(SMM_REQUIRE) == TRUE
   gUefiCpuPkgTokenSpaceGuid.PcdCpuSmmStackSize|0x4000
 !endif
diff --git a/OvmfPkg/OvmfPkgIa32X64.dsc b/OvmfPkg/OvmfPkgIa32X64.dsc
index 8693248b4e..4d7a26636a 100644
--- a/OvmfPkg/OvmfPkgIa32X64.dsc
+++ b/OvmfPkg/OvmfPkgIa32X64.dsc
@@ -568,6 +568,8 @@
   #
 !include NetworkPkg/NetworkPcds.dsc.inc
 
+  gEfiShellPkgTokenSpaceGuid.PcdShellFileOperationSize|0x20000
+
 !if $(SMM_REQUIRE) == TRUE
   gUefiCpuPkgTokenSpaceGuid.PcdCpuSmmStackSize|0x4000
 !endif
diff --git a/OvmfPkg/OvmfPkgX64.dsc b/OvmfPkg/OvmfPkgX64.dsc
index 70ff2bcf23..10f6a64d7f 100644
--- a/OvmfPkg/OvmfPkgX64.dsc
+++ b/OvmfPkg/OvmfPkgX64.dsc
@@ -568,6 +568,8 @@
   #
 !include NetworkPkg/NetworkPcds.dsc.inc
 
+  gEfiShellPkgTokenSpaceGuid.PcdShellFileOperationSize|0x20000
+
 !if $(SMM_REQUIRE) == TRUE
   gUefiCpuPkgTokenSpaceGuid.PcdCpuSmmStackSize|0x4000
 !endif