diff --git a/configs/mt8516_coral_defconfig b/configs/mt8516_coral_defconfig
index b40b058..69ad008 100644
--- a/configs/mt8516_coral_defconfig
+++ b/configs/mt8516_coral_defconfig
@@ -90,3 +90,5 @@
 CONFIG_CMD_USB_MASS_STORAGE=y
 CONFIG_SUPPORT_EMMC_BOOT=y
 CONFIG_SYS_PROMPT="u-boot=> "
+CONFIG_CMD_ECHO=y
+CONFIG_CMD_IMPORTENV=y
diff --git a/include/configs/mt8516-coral.h b/include/configs/mt8516-coral.h
index 5af355c..8a50313 100644
--- a/include/configs/mt8516-coral.h
+++ b/include/configs/mt8516-coral.h
@@ -75,7 +75,7 @@
 		"mmc dev ${mmcdev};" \
 		"setenv bootargs ${bootargs} root=/dev/mmcblk${mmcdev}p${rootfs_partition} rootwait; " \
 		"ext2load mmc ${mmcdev}:2 " __stringify(CONFIG_SYS_TEXT_BASE) " boot.scr;" \
-		"source;"
+		"source; \0"
 #endif /* CONFIG_MTK_ANDROID */
 
 #define TFTPBOOT \