diff --git a/configs/chromebook_bob_defconfig b/configs/chromebook_bob_defconfig
index 3026b56..4608892 100644
--- a/configs/chromebook_bob_defconfig
+++ b/configs/chromebook_bob_defconfig
@@ -2,6 +2,7 @@
 CONFIG_ARCH_ROCKCHIP=y
 CONFIG_SYS_TEXT_BASE=0x00200000
 CONFIG_SPL_GPIO_SUPPORT=y
+CONFIG_NR_DRAM_BANKS=1
 CONFIG_ENV_OFFSET=0x3F8000
 CONFIG_SYS_SPI_U_BOOT_OFFS=0x40000
 CONFIG_SPL_TEXT_BASE=0xff8c2000
@@ -9,7 +10,6 @@
 CONFIG_ROCKCHIP_BOOT_MODE_REG=0
 CONFIG_ROCKCHIP_SPL_RESERVE_IRAM=0x4000
 # CONFIG_SPL_MMC_SUPPORT is not set
-CONFIG_NR_DRAM_BANKS=1
 CONFIG_DEBUG_UART_BASE=0xff1a0000
 CONFIG_DEBUG_UART_CLOCK=24000000
 CONFIG_SPL_SPI_FLASH_SUPPORT=y