diff --git a/configs/gazerbeam_defconfig b/configs/gazerbeam_defconfig
index d125a6e..7111905 100644
--- a/configs/gazerbeam_defconfig
+++ b/configs/gazerbeam_defconfig
@@ -127,6 +127,8 @@
 CONFIG_CMD_BINOP=y
 CONFIG_CMD_MEMTEST=y
 CONFIG_SYS_ALT_MEMTEST=y
+CONFIG_SYS_MEMTEST_START=0x00001000
+CONFIG_SYS_MEMTEST_END=0x07e00000
 CONFIG_CMD_GPIO=y
 CONFIG_CMD_I2C=y
 CONFIG_CMD_MMC=y