diff --git a/configs/nezha_defconfig b/configs/nezha_defconfig
index 7a7e86ceab..2e2df3c09d 100644
--- a/configs/nezha_defconfig
+++ b/configs/nezha_defconfig
@@ -1,6 +1,7 @@
 BR2_riscv=y
 BR2_GLOBAL_PATCH_DIR="board/nezha/patches"
 BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_5_17=y
+BR2_SYSTEM_DHCP="eth0"
 BR2_ROOTFS_OVERLAY="board/nezha/overlay"
 BR2_ROOTFS_POST_IMAGE_SCRIPT="support/scripts/genimage.sh"
 BR2_ROOTFS_POST_SCRIPT_ARGS="-c board/nezha/genimage.cfg"