diff --git a/configs/at91sam9rlek_dataflash_defconfig b/configs/at91sam9rlek_dataflash_defconfig
index c1ff8a1..947d9df 100644
--- a/configs/at91sam9rlek_dataflash_defconfig
+++ b/configs/at91sam9rlek_dataflash_defconfig
@@ -8,6 +8,7 @@
 CONFIG_DEBUG_UART_CLOCK=100000000
 CONFIG_DEFAULT_DEVICE_TREE="at91sam9rlek"
 CONFIG_DEBUG_UART=y
+CONFIG_NR_DRAM_BANKS=1
 CONFIG_SYS_EXTRA_OPTIONS="AT91SAM9RL,SYS_USE_DATAFLASH"
 CONFIG_BOOTDELAY=3
 CONFIG_USE_BOOTARGS=y