diff --git a/configs/socfpga_secu1_defconfig b/configs/socfpga_secu1_defconfig
index 4a244e1..83e2440 100644
--- a/configs/socfpga_secu1_defconfig
+++ b/configs/socfpga_secu1_defconfig
@@ -44,6 +44,7 @@
 CONFIG_SPL_MTD_SUPPORT=y
 CONFIG_SPL_NAND_SUPPORT=y
 CONFIG_SYS_MAXARGS=32
+CONFIG_SYS_BOOTM_LEN=0x4000000
 CONFIG_CMD_ASKENV=y
 CONFIG_CMD_GREPENV=y
 CONFIG_CMD_EEPROM=y