diff --git a/configs/ot1200_defconfig b/configs/ot1200_defconfig
index 3ae27da..8d40e52 100644
--- a/configs/ot1200_defconfig
+++ b/configs/ot1200_defconfig
@@ -30,6 +30,7 @@
 CONFIG_SPI_FLASH_STMICRO=y
 CONFIG_SPI_FLASH_SST=y
 CONFIG_SPI_FLASH_WINBOND=y
+CONFIG_PHYLIB=y
 CONFIG_DM_THERMAL=y
 CONFIG_USB=y
 CONFIG_USB_STORAGE=y