diff --git a/payloads/external/edk2/Makefile b/payloads/external/edk2/Makefile
index e704093..c8d9c9f 100644
--- a/payloads/external/edk2/Makefile
+++ b/payloads/external/edk2/Makefile
@@ -71,6 +71,10 @@
 ifeq ($(CONFIG_EDK2_FOLLOW_BGRT_SPEC),y)
 BUILD_STR += -D FOLLOW_BGRT_SPEC=TRUE
 endif
+# MAX_VARIABLE_SIZE		= 0x10000
+ifeq ($(CONFIG_SMMSTORE_V2),y)
+BUILD_STR += --pcd gEfiMdeModulePkgTokenSpaceGuid.PcdMaxVariableSize=0x8000
+endif
 # PCIE_BASE_ADDRESS		= 0
 ifneq ($(CONFIG_ECAM_MMCONF_LENGTH),)
 BUILD_STR += --pcd gEfiMdePkgTokenSpaceGuid.PcdPciExpressBaseAddress=$(CONFIG_ECAM_MMCONF_BASE_ADDRESS)