diff --git a/configs/clearfog_defconfig b/configs/clearfog_defconfig
index 1264871e83..41e94e6daf 100644
--- a/configs/clearfog_defconfig
+++ b/configs/clearfog_defconfig
@@ -47,6 +47,7 @@ CONFIG_DEBUG_UART=y
 CONFIG_DEBUG_UART_BASE=0xd0012000
 CONFIG_DEBUG_UART_CLOCK=250000000
 CONFIG_DEBUG_UART_SHIFT=2
+CONFIG_NET_RANDOM_ETHADDR=y
 CONFIG_SYS_NS16550=y
 CONFIG_USB=y
 CONFIG_DM_USB=y