diff --git a/tools/helpers/flashall b/tools/helpers/flashall
index 4ecf983..1951818 100644
--- a/tools/helpers/flashall
+++ b/tools/helpers/flashall
@@ -3,12 +3,8 @@
 # reboot the modem into fastboot mode
 # flash kernel + rootfs and reboot
 echo "Sending AT+QFASTBOOT..."
-if command -v doas >> /dev/null; then
-  root=doas
-else 
-  root=sudo
-fi
-$root sh -c 'echo -ne "AT+QFASTBOOT\r" > /dev/ttyUSB2'
+if [ $(id -u) -ne 0 ] ; then echo "This script must be run as root!" ; exit 1 ; fi
+sh -c 'echo -ne "AT+QFASTBOOT\r" > /dev/ttyUSB2'
 fastboot oem stay
 fastboot flash aboot appsboot.mbn || exit "Failed to flash the bootloader"
 fastboot reboot