diff --git a/configs/ls1046aqds_lpuart_defconfig b/configs/ls1046aqds_lpuart_defconfig
index 9c7e690..967d0d1 100644
--- a/configs/ls1046aqds_lpuart_defconfig
+++ b/configs/ls1046aqds_lpuart_defconfig
@@ -41,6 +41,7 @@
 CONFIG_SYS_FLASH_USE_BUFFER_WRITE=y
 CONFIG_SYS_FLASH_CFI=y
 CONFIG_SPI_FLASH=y
+CONFIG_SF_DEFAULT_BUS=1
 CONFIG_PHYLIB=y
 CONFIG_E1000=y
 CONFIG_PCI=y