diff --git a/configs/inetspace_v2_defconfig b/configs/inetspace_v2_defconfig
index 42f812c..1fa1a5a 100644
--- a/configs/inetspace_v2_defconfig
+++ b/configs/inetspace_v2_defconfig
@@ -66,7 +66,8 @@
 CONFIG_SPI_FLASH_MACRONIX=y
 CONFIG_MVGBE=y
 CONFIG_MII=y
-CONFIG_SYS_NS16550=y
+CONFIG_SYS_NS16550_SERIAL=y
+CONFIG_SYS_NS16550_REG_SIZE=-4
 CONFIG_SPI=y
 CONFIG_DM_SPI=y
 CONFIG_KIRKWOOD_SPI=y