diff --git a/configs/bcm968580xref_ram_defconfig b/configs/bcm968580xref_ram_defconfig
index ef5ae44..a8c7ffa 100644
--- a/configs/bcm968580xref_ram_defconfig
+++ b/configs/bcm968580xref_ram_defconfig
@@ -23,6 +23,7 @@
 CONFIG_SYS_MAXARGS=24
 CONFIG_SYS_CBSIZE=256
 CONFIG_SYS_PBSIZE=276
+CONFIG_SYS_BOOTM_LEN=0x800000
 CONFIG_CMD_GPIO=y
 CONFIG_CMD_MTD=y
 CONFIG_CMD_NAND=y