diff --git a/configs/10m50_defconfig b/configs/10m50_defconfig
index acd7fb8..8635bf8 100644
--- a/configs/10m50_defconfig
+++ b/configs/10m50_defconfig
@@ -1,6 +1,7 @@
 CONFIG_NIOS2=y
 CONFIG_SYS_CONFIG_NAME="10m50_devboard"
 CONFIG_DEFAULT_DEVICE_TREE="10m50_devboard"
+CONFIG_NR_DRAM_BANKS=1
 CONFIG_FIT=y
 CONFIG_SYS_CONSOLE_INFO_QUIET=y
 CONFIG_VERSION_VARIABLE=y