diff --git a/configs/Sinlinx_SinA31s_defconfig b/configs/Sinlinx_SinA31s_defconfig
index 9744aef..a3aeacf 100644
--- a/configs/Sinlinx_SinA31s_defconfig
+++ b/configs/Sinlinx_SinA31s_defconfig
@@ -10,6 +10,7 @@
 CONFIG_USB1_VBUS_PIN=""
 CONFIG_USB2_VBUS_PIN=""
 CONFIG_DEFAULT_DEVICE_TREE="sun6i-a31s-sina31s"
+CONFIG_NR_DRAM_BANKS=1
 # CONFIG_SYS_MALLOC_CLEAR_ON_INIT is not set
 # CONFIG_CMD_FLASH is not set
 # CONFIG_SPL_DOS_PARTITION is not set