diff --git a/roles/1-prep/templates/iiab-expand-rootfs b/roles/1-prep/templates/iiab-expand-rootfs
index 620990893..d727d5623 100644
--- a/roles/1-prep/templates/iiab-expand-rootfs
+++ b/roles/1-prep/templates/iiab-expand-rootfs
@@ -15,6 +15,7 @@ if [ -f /.expand-rootfs ] || [ -f /.resize-rootfs ]; then
         # 2022-02-17: Uses do_expand_rootfs() from:
         # https://github.com/RPi-Distro/raspi-config/blob/master/raspi-config
         raspi-config --expand-rootfs    # REQUIRES A REBOOT
+        reboot                          # In future, we might warn interactive users?
     else                                # REQUIRES NO REBOOT; BEWARE iiab-expand-rootfs.service RACE CONDITION WITH fsck (PR #2522 & #3325)
         # 2022-03-15: Borrows from above raspi-config URL's do_expand_rootfs()
         ROOT_PART="$(findmnt / -o SOURCE -n)"    # e.g. /dev/sda2 or /dev/mmcblk0p2