diff --git a/stage2/99-enable-serial/00-run.sh b/stage2/99-enable-serial/00-run.sh
index b0e9648ae4..235de19bf0 100755
--- a/stage2/99-enable-serial/00-run.sh
+++ b/stage2/99-enable-serial/00-run.sh
@@ -1,6 +1,6 @@
 #!/bin/bash -e
 
-echo dtoverlay=dwc2 >> "${ROOTFS_DIR}/boot/config.txt"
+echo dtoverlay=dwc2 >> "${ROOTFS_DIR}/boot/firmware/config.txt"
 install -m 644 {files,"${ROOTFS_DIR}"}/etc/modules-load.d/g_serial.conf
 
 on_chroot << EOF