diff --git a/configs/mt7988_sd_rfb_defconfig b/configs/mt7988_sd_rfb_defconfig
index 670f5ea..de6aca4 100644
--- a/configs/mt7988_sd_rfb_defconfig
+++ b/configs/mt7988_sd_rfb_defconfig
@@ -6,7 +6,6 @@
 CONFIG_SYS_MALLOC_F_LEN=0x4000
 CONFIG_NR_DRAM_BANKS=1
 CONFIG_DEFAULT_DEVICE_TREE="mt7988-sd-rfb"
-CONFIG_SYS_PROMPT="MT7988> "
 CONFIG_TARGET_MT7988=y
 CONFIG_DEBUG_UART_BASE=0x11000000
 CONFIG_DEBUG_UART_CLOCK=40000000
@@ -16,6 +15,7 @@
 CONFIG_DEFAULT_FDT_FILE="mt7988-sd-rfb"
 CONFIG_LOGLEVEL=7
 CONFIG_LOG=y
+CONFIG_SYS_PROMPT="MT7988> "
 CONFIG_SYS_CBSIZE=512
 CONFIG_SYS_PBSIZE=1049
 # CONFIG_BOOTM_NETBSD is not set