diff --git a/configs/T1040D4RDB_defconfig b/configs/T1040D4RDB_defconfig
index 961b33b..8886465 100644
--- a/configs/T1040D4RDB_defconfig
+++ b/configs/T1040D4RDB_defconfig
@@ -26,6 +26,7 @@
 CONFIG_MTD_NOR_FLASH=y
 CONFIG_SPI_FLASH=y
 CONFIG_SPI_FLASH_STMICRO=y
+CONFIG_PHYLIB=y
 CONFIG_NETDEVICES=y
 CONFIG_E1000=y
 CONFIG_SYS_NS16550=y