diff --git a/configs/mcx_defconfig b/configs/mcx_defconfig
index e147809..47c2deb 100644
--- a/configs/mcx_defconfig
+++ b/configs/mcx_defconfig
@@ -6,6 +6,7 @@
 CONFIG_TARGET_MCX=y
 CONFIG_EMIF4=y
 CONFIG_SPL=y
+CONFIG_NR_DRAM_BANKS=2
 CONFIG_BOOTDELAY=3
 # CONFIG_CONSOLE_MUX is not set
 CONFIG_SYS_CONSOLE_IS_IN_ENV=y