diff --git a/configs/zc5601_defconfig b/configs/zc5601_defconfig
index c1b7fb1..e8f4736 100644
--- a/configs/zc5601_defconfig
+++ b/configs/zc5601_defconfig
@@ -28,6 +28,8 @@
 CONFIG_SPL_SPI_LOAD=y
 CONFIG_SPL_WATCHDOG_SUPPORT=y
 CONFIG_CMD_MEMTEST=y
+CONFIG_SYS_MEMTEST_START=0x10000000
+CONFIG_SYS_MEMTEST_END=0x10800000
 CONFIG_CMD_GPIO=y
 CONFIG_CMD_I2C=y
 CONFIG_CMD_MMC=y