diff --git a/BoardConfig.mk b/BoardConfig.mk
index d5f602c..d975a5c 100644
--- a/BoardConfig.mk
+++ b/BoardConfig.mk
@@ -90,6 +90,11 @@ BOARD_AVB_RECOVERY_KEY_PATH := external/avb/test/data/testkey_rsa4096.pem
 BOARD_AVB_RECOVERY_ALGORITHM := SHA256_RSA4096
 BOARD_AVB_RECOVERY_ROLLBACK_INDEX := 1
 BOARD_AVB_RECOVERY_ROLLBACK_INDEX_LOCATION := 1
+BOARD_AVB_VBMETA_SYSTEM := product system system_ext
+BOARD_AVB_VBMETA_SYSTEM_KEY_PATH := external/avb/test/data/testkey_rsa2048.pem
+BOARD_AVB_VBMETA_SYSTEM_ALGORITHM := SHA256_RSA2048
+BOARD_AVB_VBMETA_SYSTEM_ROLLBACK_INDEX := $(PLATFORM_SECURITY_PATCH_TIMESTAMP)
+BOARD_AVB_VBMETA_SYSTEM_ROLLBACK_INDEX_LOCATION := 2
 
 # Hack: prevent anti rollback
 PLATFORM_SECURITY_PATCH := 2099-12-31