diff --git a/configs/riotboard_defconfig b/configs/riotboard_defconfig
index eaa03bd..b28b572 100644
--- a/configs/riotboard_defconfig
+++ b/configs/riotboard_defconfig
@@ -3,6 +3,7 @@
 CONFIG_SYS_TEXT_BASE=0x17800000
 CONFIG_TARGET_EMBESTMX6BOARDS=y
 CONFIG_DISTRO_DEFAULTS=y
+CONFIG_NR_DRAM_BANKS=1
 CONFIG_SYS_EXTRA_OPTIONS="IMX_CONFIG=board/boundary/nitrogen6x/nitrogen6s1g.cfg,MX6S,DDR_MB=1024"
 CONFIG_BOOTCOMMAND="run finduuid; run distro_bootcmd"
 # CONFIG_CONSOLE_MUX is not set