diff --git a/configs/synquacer_developerbox_defconfig b/configs/synquacer_developerbox_defconfig
index 1078ad6..add6041 100644
--- a/configs/synquacer_developerbox_defconfig
+++ b/configs/synquacer_developerbox_defconfig
@@ -2,6 +2,7 @@
 CONFIG_ARCH_SYNQUACER=y
 CONFIG_SYS_TEXT_BASE=0x08200000
 CONFIG_SYS_MALLOC_LEN=0x1000000
+CONFIG_SYS_MALLOC_F_LEN=0x400
 CONFIG_ENV_SIZE=0x30000
 CONFIG_ENV_OFFSET=0x300000
 CONFIG_ENV_SECT_SIZE=0x10000