diff --git a/board/czechlight/common/dhcp-network.sh b/board/czechlight/common/dhcp-network.sh
new file mode 100755
index 0000000..88e6cc4
--- /dev/null
+++ b/board/czechlight/common/dhcp-network.sh
@@ -0,0 +1,13 @@
+#!/bin/bash
+
+set -eux -o pipefail
+shopt -s failglob
+
+for IFACE in eth0 enp0s13 enp0s14; do
+  cat <<EOF > ${TARGET_DIR}/usr/lib/systemd/network/${IFACE}.network
+[Match]
+Name=${IFACE}
+[Network]
+DHCP=yes
+EOF
+done
diff --git a/configs/czechlight_beaglebone_defconfig b/configs/czechlight_beaglebone_defconfig
index f2673dc..3e88a7a 100644
--- a/configs/czechlight_beaglebone_defconfig
+++ b/configs/czechlight_beaglebone_defconfig
@@ -10,8 +10,8 @@
 BR2_TARGET_GENERIC_PASSWD_SHA256=y
 BR2_INIT_SYSTEMD=y
 BR2_TARGET_GENERIC_GETTY_PORT="ttyO0"
-BR2_SYSTEM_DHCP="eth0"
 BR2_ROOTFS_OVERLAY="$(BR2_EXTERNAL_CZECHLIGHT_PATH)/board/czechlight/common/overlay/ $(BR2_EXTERNAL_CZECHLIGHT_PATH)/board/czechlight/beaglebone/overlay/"
+BR2_ROOTFS_POST_BUILD_SCRIPT="$(BR2_EXTERNAL_CZECHLIGHT_PATH)/board/czechlight/common/dhcp-network.sh"
 BR2_ROOTFS_POST_IMAGE_SCRIPT="$(BR2_EXTERNAL_CZECHLIGHT_PATH)/board/czechlight/beaglebone/post-image.sh"
 BR2_LINUX_KERNEL=y
 BR2_LINUX_KERNEL_CUSTOM_VERSION=y
diff --git a/configs/czechlight_epia_geode_defconfig b/configs/czechlight_epia_geode_defconfig
index e2c8a04..ae7e48b 100644
--- a/configs/czechlight_epia_geode_defconfig
+++ b/configs/czechlight_epia_geode_defconfig
@@ -16,9 +16,9 @@
 BR2_TARGET_GENERIC_ISSUE="Welcome to CzechLight"
 BR2_TARGET_GENERIC_PASSWD_SHA256=y
 BR2_INIT_SYSTEMD=y
-BR2_SYSTEM_DHCP="eth0"
 BR2_ENABLE_LOCALE_WHITELIST="C en_US en_US.utf8"
 BR2_ROOTFS_OVERLAY="$(BR2_EXTERNAL_CZECHLIGHT_PATH)/board/czechlight/common/overlay/"
+BR2_ROOTFS_POST_BUILD_SCRIPT="$(BR2_EXTERNAL_CZECHLIGHT_PATH)/board/czechlight/common/dhcp-network.sh"
 BR2_ROOTFS_POST_IMAGE_SCRIPT="$(BR2_EXTERNAL_CZECHLIGHT_PATH)/board/czechlight/epia_geode/post-image.sh"
 BR2_LINUX_KERNEL=y
 BR2_LINUX_KERNEL_CUSTOM_VERSION=y