diff --git a/update.sh b/update.sh
index e86ec1a..e2af63b 100755
--- a/update.sh
+++ b/update.sh
@@ -1,11 +1,16 @@
 #!/bin/bash
 cd /home/itender/itender || exit -1
-git pull "https://tobiash:!IwedwrimmVeudiweN!@git.gaminggeneration.de/tobiash/itender.git" --quiet
-yarn
-yarn run compile
-cd ./arduino/itender/
-arduino-cli compile --fqbn arduino:avr:mega itender.ino || true
-sudo systemctl stop itender
-timeout 30 arduino-cli upload --port /dev/ttyACM0 --fqbn arduino:avr:mega itender.ino || true
-sudo systemctl start itender
+
+if [ -z "$1" ]
+then
+	git pull "https://tobiash:!IwedwrimmVeudiweN!@git.gaminggeneration.de/tobiash/itender.git" --quiet
+else
+	yarn
+	yarn run compile
+	cd ./arduino/itender/
+	arduino-cli compile --fqbn arduino:avr:mega itender.ino || true
+	sudo systemctl stop itender
+	timeout 40 arduino-cli upload --port /dev/ttyACM0 --fqbn arduino:avr:mega itender.ino || true
+	sudo systemctl start itender
+fi
 exit 0