diff --git a/configs/UTOO_P66_defconfig b/configs/UTOO_P66_defconfig
index a666e41..ac81ebc 100644
--- a/configs/UTOO_P66_defconfig
+++ b/configs/UTOO_P66_defconfig
@@ -19,6 +19,7 @@
 CONFIG_VIDEO_LCD_BL_PWM="PB2"
 CONFIG_VIDEO_LCD_TL059WV5C0=y
 CONFIG_DEFAULT_DEVICE_TREE="sun5i-a13-utoo-p66"
+CONFIG_NR_DRAM_BANKS=1
 # CONFIG_SYS_MALLOC_CLEAR_ON_INIT is not set
 CONFIG_SPL_I2C_SUPPORT=y
 # CONFIG_CMD_FLASH is not set