diff --git a/configs/mx6dlarm2_defconfig b/configs/mx6dlarm2_defconfig
index b4b78e5..de0193f 100644
--- a/configs/mx6dlarm2_defconfig
+++ b/configs/mx6dlarm2_defconfig
@@ -1,3 +1,3 @@
-CONFIG_SYS_EXTRA_OPTIONS="IMX_CONFIG=board/freescale/mx6qarm2/imximage_mx6dl.cfg,MX6DL"
+CONFIG_SYS_EXTRA_OPTIONS="IMX_CONFIG=board/freescale/mx6qarm2/imximage_mx6dl.cfg,MX6DL,DDR_MB=2048"
 CONFIG_ARM=y
 CONFIG_TARGET_MX6QARM2=y