diff --git a/configs/malta64_defconfig b/configs/malta64_defconfig
index 722d2e3..88d3cbe 100644
--- a/configs/malta64_defconfig
+++ b/configs/malta64_defconfig
@@ -1,6 +1,7 @@
 CONFIG_MIPS=y
 CONFIG_SYS_TEXT_BASE=0xFFFFFFFFBE000000
 CONFIG_SYS_MALLOC_LEN=0x20000
+CONFIG_SYS_MALLOC_F_LEN=0x400
 CONFIG_ENV_SIZE=0x20000
 CONFIG_ENV_SECT_SIZE=0x20000
 CONFIG_DEFAULT_DEVICE_TREE="mti,malta"