diff --git a/configs/bcm28155_ap_defconfig b/configs/bcm28155_ap_defconfig
index 37a87cc..990316f 100644
--- a/configs/bcm28155_ap_defconfig
+++ b/configs/bcm28155_ap_defconfig
@@ -2,6 +2,7 @@
 CONFIG_ENABLE_ARM_SOC_BOOT0_HOOK=y
 CONFIG_TARGET_BCM28155_AP=y
 CONFIG_SYS_TEXT_BASE=0xae000000
+CONFIG_NR_DRAM_BANKS=1
 # CONFIG_ANDROID_BOOT_IMAGE is not set
 CONFIG_VERSION_VARIABLE=y
 # CONFIG_DISPLAY_CPUINFO is not set