diff --git a/configs/wb45n_defconfig b/configs/wb45n_defconfig
index f8c8ddb..b7cc600 100644
--- a/configs/wb45n_defconfig
+++ b/configs/wb45n_defconfig
@@ -7,6 +7,7 @@
 CONFIG_SPL_LIBGENERIC_SUPPORT=y
 CONFIG_SPL_SERIAL_SUPPORT=y
 CONFIG_SPL=y
+CONFIG_NR_DRAM_BANKS=1
 CONFIG_FIT=y
 CONFIG_SYS_EXTRA_OPTIONS="AT91SAM9X5,SYS_USE_NANDFLASH"
 CONFIG_BOOTDELAY=3