diff --git a/configs/sandbox_flattree_defconfig b/configs/sandbox_flattree_defconfig
index 1f593eb..edca7f1 100644
--- a/configs/sandbox_flattree_defconfig
+++ b/configs/sandbox_flattree_defconfig
@@ -1,5 +1,7 @@
 CONFIG_SYS_TEXT_BASE=0
 CONFIG_NR_DRAM_BANKS=1
+CONFIG_SYS_MEMTEST_START=0x00100000
+CONFIG_SYS_MEMTEST_END=0x00101000
 CONFIG_ENV_SIZE=0x2000
 CONFIG_BOOTSTAGE_STASH_ADDR=0x0
 CONFIG_DEFAULT_DEVICE_TREE="sandbox"
@@ -33,8 +35,6 @@
 CONFIG_CMD_MEMINFO=y
 CONFIG_CMD_MX_CYCLIC=y
 CONFIG_CMD_MEMTEST=y
-CONFIG_SYS_MEMTEST_START=0x00100000
-CONFIG_SYS_MEMTEST_END=0x00101000
 CONFIG_CMD_DEMO=y
 CONFIG_CMD_GPIO=y
 CONFIG_CMD_GPT=y