diff --git a/configs/colibri-imx6ull_defconfig b/configs/colibri-imx6ull_defconfig
index 7e99755..74a67a0 100644
--- a/configs/colibri-imx6ull_defconfig
+++ b/configs/colibri-imx6ull_defconfig
@@ -26,6 +26,8 @@
 CONFIG_CMD_ASKENV=y
 CONFIG_CRC32_VERIFY=y
 CONFIG_CMD_MEMTEST=y
+CONFIG_SYS_MEMTEST_START=0x80000000
+CONFIG_SYS_MEMTEST_END=0x88000000
 CONFIG_CMD_DFU=y
 CONFIG_CMD_DM=y
 CONFIG_CMD_GPIO=y