diff --git a/configs/mscc_servalt_defconfig b/configs/mscc_servalt_defconfig
index 3104ac3..ca358e6 100644
--- a/configs/mscc_servalt_defconfig
+++ b/configs/mscc_servalt_defconfig
@@ -26,6 +26,7 @@
 CONFIG_SYS_PBSIZE=283
 # CONFIG_CMD_BDI is not set
 # CONFIG_CMD_CONSOLE is not set
+CONFIG_SYS_BOOTM_LEN=0x1000000
 # CONFIG_CMD_ELF is not set
 # CONFIG_CMD_EXPORTENV is not set
 # CONFIG_CMD_IMPORTENV is not set