diff --git a/configs/Bananapi_m2m_defconfig b/configs/Bananapi_m2m_defconfig
index 2316437..71e21ac 100644
--- a/configs/Bananapi_m2m_defconfig
+++ b/configs/Bananapi_m2m_defconfig
@@ -9,6 +9,7 @@
 CONFIG_MMC_SUNXI_SLOT_EXTRA=2
 CONFIG_USB0_ID_DET="PH8"
 CONFIG_DEFAULT_DEVICE_TREE="sun8i-r16-bananapi-m2m"
+CONFIG_NR_DRAM_BANKS=1
 # CONFIG_SYS_MALLOC_CLEAR_ON_INIT is not set
 # CONFIG_CMD_FLASH is not set
 # CONFIG_SPL_DOS_PARTITION is not set