diff --git a/configs/spear600_usbtty_defconfig b/configs/spear600_usbtty_defconfig
index e66e818..8148100 100644
--- a/configs/spear600_usbtty_defconfig
+++ b/configs/spear600_usbtty_defconfig
@@ -2,6 +2,7 @@
 CONFIG_TARGET_SPEAR600=y
 CONFIG_SYS_TEXT_BASE=0x00700000
 CONFIG_IDENT_STRING="-SPEAr"
+CONFIG_NR_DRAM_BANKS=1
 CONFIG_SYS_EXTRA_OPTIONS="SPEAR600,USBTTY"
 CONFIG_BOOTDELAY=-1
 CONFIG_USE_BOOTARGS=y