diff --git a/OvmfPkg/OvmfPkgIa32.dsc b/OvmfPkg/OvmfPkgIa32.dsc
index fbb7098021..f732703fdb 100644
--- a/OvmfPkg/OvmfPkgIa32.dsc
+++ b/OvmfPkg/OvmfPkgIa32.dsc
@@ -272,7 +272,7 @@
   gEfiMdeModulePkgTokenSpaceGuid.PcdPeiCoreMaxFvSupported|6
   gEfiMdeModulePkgTokenSpaceGuid.PcdPeiCoreMaxPeimPerFv|32
 !if $(SECURE_BOOT_ENABLE) == TRUE
-  gEfiMdeModulePkgTokenSpaceGuid.PcdMaxVariableSize|0x10000
+  gEfiMdeModulePkgTokenSpaceGuid.PcdMaxVariableSize|0x2000
 !else
   gEfiMdeModulePkgTokenSpaceGuid.PcdMaxVariableSize|0x400
 !endif
diff --git a/OvmfPkg/OvmfPkgIa32X64.dsc b/OvmfPkg/OvmfPkgIa32X64.dsc
index ace575a0a2..7c8cd0dca4 100644
--- a/OvmfPkg/OvmfPkgIa32X64.dsc
+++ b/OvmfPkg/OvmfPkgIa32X64.dsc
@@ -277,7 +277,7 @@
   gEfiMdeModulePkgTokenSpaceGuid.PcdPeiCoreMaxFvSupported|6
   gEfiMdeModulePkgTokenSpaceGuid.PcdPeiCoreMaxPeimPerFv|32
 !if $(SECURE_BOOT_ENABLE) == TRUE
-  gEfiMdeModulePkgTokenSpaceGuid.PcdMaxVariableSize|0x10000
+  gEfiMdeModulePkgTokenSpaceGuid.PcdMaxVariableSize|0x2000
 !else
   gEfiMdeModulePkgTokenSpaceGuid.PcdMaxVariableSize|0x400
 !endif
diff --git a/OvmfPkg/OvmfPkgX64.dsc b/OvmfPkg/OvmfPkgX64.dsc
index 001393e324..89ce44e6d2 100644
--- a/OvmfPkg/OvmfPkgX64.dsc
+++ b/OvmfPkg/OvmfPkgX64.dsc
@@ -277,7 +277,7 @@
   gEfiMdeModulePkgTokenSpaceGuid.PcdPeiCoreMaxFvSupported|6
   gEfiMdeModulePkgTokenSpaceGuid.PcdPeiCoreMaxPeimPerFv|32
 !if $(SECURE_BOOT_ENABLE) == TRUE
-  gEfiMdeModulePkgTokenSpaceGuid.PcdMaxVariableSize|0x10000
+  gEfiMdeModulePkgTokenSpaceGuid.PcdMaxVariableSize|0x2000
 !else
   gEfiMdeModulePkgTokenSpaceGuid.PcdMaxVariableSize|0x400
 !endif