diff --git a/configs/bananapi_m4b_defconfig b/configs/bananapi_m4b_defconfig
index 3f594166..9ad5eebc 100644
--- a/configs/bananapi_m4b_defconfig
+++ b/configs/bananapi_m4b_defconfig
@@ -11,6 +11,7 @@ CONFIG_DRAM_SUN50I_H616_BIT_DELAY_COMPENSATION=y
 CONFIG_MACH_SUN50I_H616=y
 CONFIG_MMC0_CD_PIN="PF6"
 CONFIG_MMC_SUNXI_SLOT_EXTRA=2
+CONFIG_SUPPORT_EMMC_BOOT=y
 CONFIG_R_I2C_ENABLE=y
 # CONFIG_SYS_MALLOC_CLEAR_ON_INIT is not set
 CONFIG_AXP_DCDC3_VOLT=1100