diff --git a/configs/harmony_defconfig b/configs/harmony_defconfig
index 9763b21..245d9de 100644
--- a/configs/harmony_defconfig
+++ b/configs/harmony_defconfig
@@ -13,6 +13,7 @@
 CONFIG_OF_SYSTEM_SETUP=y
 CONFIG_SYS_STDIO_DEREGISTER=y
 CONFIG_SYS_PROMPT="Tegra20 (Harmony) # "
+CONFIG_SYS_MAXARGS=64
 # CONFIG_CMD_IMI is not set
 # CONFIG_CMD_FLASH is not set
 CONFIG_CMD_GPIO=y