diff --git a/configs/T1040RDB_defconfig b/configs/T1040RDB_defconfig
index e246c43..7929c99 100644
--- a/configs/T1040RDB_defconfig
+++ b/configs/T1040RDB_defconfig
@@ -19,6 +19,7 @@
 CONFIG_CMD_PING=y
 CONFIG_CMD_EXT2=y
 CONFIG_CMD_FAT=y
+CONFIG_SYS_FSL_DDR3=y
 CONFIG_SPI_FLASH=y
 CONFIG_SPI_FLASH_STMICRO=y
 CONFIG_NETDEVICES=y