diff --git a/RPI2/Ubuntu/disable_console.sh b/RPI2/Ubuntu/disable_console.sh
index 747b55d5..73e05a2c 100755
--- a/RPI2/Ubuntu/disable_console.sh
+++ b/RPI2/Ubuntu/disable_console.sh
@@ -15,6 +15,9 @@ echo "Disabling Serial Console to ttyS0"
 tput sgr0
 
 systemctl mask serial-getty@ttyS0.service
-perl -pi -e 's/bootdelay=1/bootdelay=-2/g' /boot/firmware/uboot.env
+
+#copy uboot.env configuration to disable uboot wait for key
+cp uboot.env /boot/firmware
+
 perl -pe 's/console=ttyAMA0,115200//' -i /boot/config-5.3.0-1017-raspi2
 perl -pe 's/console=ttyAMA0,115200//' -i /boot/config-5.3.0-1018-raspi2
diff --git a/RPI2/Ubuntu/uboot.env b/RPI2/Ubuntu/uboot.env
new file mode 100755
index 00000000..162e4c59
Binary files /dev/null and b/RPI2/Ubuntu/uboot.env differ