diff --git a/configs/P1021RDB-PC_36BIT_SDCARD_defconfig b/configs/P1021RDB-PC_36BIT_SDCARD_defconfig
index f5e620b..ef080b7 100644
--- a/configs/P1021RDB-PC_36BIT_SDCARD_defconfig
+++ b/configs/P1021RDB-PC_36BIT_SDCARD_defconfig
@@ -34,6 +34,7 @@
 CONFIG_MTD_NOR_FLASH=y
 CONFIG_SPI_FLASH=y
 CONFIG_SPI_FLASH_SPANSION=y
+CONFIG_PHYLIB=y
 CONFIG_NETDEVICES=y
 CONFIG_E1000=y
 CONFIG_SYS_NS16550=y