diff --git a/configs/evb-px5_defconfig b/configs/evb-px5_defconfig
index 0941897..86dea9c 100644
--- a/configs/evb-px5_defconfig
+++ b/configs/evb-px5_defconfig
@@ -8,6 +8,7 @@
 CONFIG_DEBUG_UART_CLOCK=24000000
 CONFIG_DEFAULT_DEVICE_TREE="rk3368-px5-evb"
 CONFIG_DEBUG_UART=y
+CONFIG_NR_DRAM_BANKS=1
 CONFIG_ANDROID_BOOT_IMAGE=y
 CONFIG_DEFAULT_FDT_FILE="rockchip/rk3368-px5-evb.dtb"
 # CONFIG_DISPLAY_CPUINFO is not set