diff --git a/configs/grpeach_defconfig b/configs/grpeach_defconfig
index 1a6811f..4a3a3f1 100644
--- a/configs/grpeach_defconfig
+++ b/configs/grpeach_defconfig
@@ -6,6 +6,7 @@
 CONFIG_ENV_SIZE=0x10000
 CONFIG_ENV_OFFSET=0x80000
 CONFIG_ENV_SECT_SIZE=0x10000
+CONFIG_SYS_MALLOC_LEN=0x100000
 CONFIG_DM_GPIO=y
 CONFIG_DEFAULT_DEVICE_TREE="r7s72100-gr-peach-u-boot"
 CONFIG_RZA1=y