diff --git a/configs/pm9g45_defconfig b/configs/pm9g45_defconfig
index 99acd20..928e446 100644
--- a/configs/pm9g45_defconfig
+++ b/configs/pm9g45_defconfig
@@ -2,6 +2,7 @@
 CONFIG_ARCH_AT91=y
 CONFIG_SYS_TEXT_BASE=0x73f00000
 CONFIG_TARGET_PM9G45=y
+CONFIG_NR_DRAM_BANKS=1
 CONFIG_SYS_EXTRA_OPTIONS="AT91SAM9G45"
 CONFIG_BOOTDELAY=3
 CONFIG_USE_BOOTARGS=y