diff --git a/configs/3c120_defconfig b/configs/3c120_defconfig
index 1b7c795..e7911f0 100644
--- a/configs/3c120_defconfig
+++ b/configs/3c120_defconfig
@@ -35,6 +35,7 @@
 CONFIG_SYS_FLASH_USE_BUFFER_WRITE=y
 CONFIG_SYS_FLASH_PROTECTION=y
 CONFIG_SYS_FLASH_CFI=y
+CONFIG_SYS_MAX_FLASH_BANKS_DETECT=y
 CONFIG_PHY_MARVELL=y
 CONFIG_DM_ETH=y
 CONFIG_PHY_GIGE=y