diff --git a/configs/ls2088ardb_tfa_defconfig b/configs/ls2088ardb_tfa_defconfig
index c0f92c6..f3296c2 100644
--- a/configs/ls2088ardb_tfa_defconfig
+++ b/configs/ls2088ardb_tfa_defconfig
@@ -60,6 +60,7 @@
 CONFIG_SATA_CEVA=y
 CONFIG_FSL_CAAM=y
 CONFIG_DDR_CLK_FREQ=133333333
+CONFIG_DIMM_SLOTS_PER_CTLR=2
 CONFIG_DDR_ECC=y
 CONFIG_ECC_INIT_VIA_DDRCONTROLLER=y
 CONFIG_MPC8XXX_GPIO=y