diff --git a/configs/chromebook_jerry_defconfig b/configs/chromebook_jerry_defconfig
index 96a2aaa0ba6728f2234f047efbe44f2da9b2d014..da4770771f08c63bacf811aeecbb39c4d42a8e69 100644
--- a/configs/chromebook_jerry_defconfig
+++ b/configs/chromebook_jerry_defconfig
@@ -4,6 +4,7 @@ CONFIG_SYS_MALLOC_F_LEN=0x2000
 CONFIG_ROCKCHIP_RK3288=y
 CONFIG_TARGET_CHROMEBOOK_JERRY=y
 CONFIG_SPL_STACK_R_ADDR=0x80000
+CONFIG_SPL_STACK_R_MALLOC_SIMPLE_LEN=0x2000
 CONFIG_DEFAULT_DEVICE_TREE="rk3288-jerry"
 CONFIG_SPL_STACK_R=y
 # CONFIG_CMD_IMLS is not set
diff --git a/configs/firefly-rk3288_defconfig b/configs/firefly-rk3288_defconfig
index 47731b8b117690c507075423972aaf631fb6d03b..b645af561579a41c71b3a22c656375a6ae0e7752 100644
--- a/configs/firefly-rk3288_defconfig
+++ b/configs/firefly-rk3288_defconfig
@@ -4,6 +4,7 @@ CONFIG_SYS_MALLOC_F_LEN=0x2000
 CONFIG_ROCKCHIP_RK3288=y
 CONFIG_TARGET_FIREFLY_RK3288=y
 CONFIG_SPL_STACK_R_ADDR=0x80000
+CONFIG_SPL_STACK_R_MALLOC_SIMPLE_LEN=0x2000
 CONFIG_DEFAULT_DEVICE_TREE="rk3288-firefly"
 CONFIG_SPL_STACK_R=y
 # CONFIG_CMD_IMLS is not set