diff --git a/src/scripts/update.sh b/src/scripts/update.sh
index d5be3941e..0f6c70fd9 100755
--- a/src/scripts/update.sh
+++ b/src/scripts/update.sh
@@ -7,7 +7,7 @@ if [[ ${EUID} -ne 0 ]]; then
     exit 1
 fi
 
-readonly UPDATER_SERVICE="cloudron-updater"
+readonly updater_service="cloudron-updater"
 
 if [[ $# == 1 && "$1" == "--check" ]]; then
     echo "OK"
@@ -19,34 +19,35 @@ if [[ $# != 1 ]]; then
     exit 1
 fi
 
+function log() {
+  echo -e "$(date +'%Y-%m-%dT%H:%M:%S')" "==> update: $1"
+}
+
 readonly source_dir="${1}"
-
-echo "Updating Cloudron with ${source_dir}"
-
 readonly installer_path="${source_dir}/scripts/installer.sh"
 
-echo "=> reset service ${UPDATER_SERVICE} status (of previous update)"
-systemctl reset-failed "${UPDATER_SERVICE}" 2>/dev/null || true
+log "updating Cloudron with ${source_dir}"
+
+systemctl reset-failed "${updater_service}" 2>/dev/null || true
 
 # StandardError will follow StandardOutput in default inherit mode. https://www.freedesktop.org/software/systemd/man/systemd.exec.html
-echo "=> Run installer.sh as ${UPDATER_SERVICE}."
 readonly DATETIME=`date '+%Y-%m-%d_%H-%M-%S'`
 readonly LOG_FILE="/home/yellowtent/platformdata/logs/updater/cloudron-updater-${DATETIME}.log"
 
-echo "=> starting service ${UPDATER_SERVICE}. see logs at ${LOG_FILE}"
+log "starting service ${updater_service}. see logs at ${LOG_FILE}"
 
-if ! systemd-run --property=OOMScoreAdjust=-1000 --unit "${UPDATER_SERVICE}" -p StandardOutput=file:${LOG_FILE} ${installer_path}; then
-    echo "Failed to install cloudron. See log for details"
+if ! systemd-run --property=OOMScoreAdjust=-1000 --unit "${updater_service}" -p StandardOutput=file:${LOG_FILE} ${installer_path}; then
+    log "Failed to install cloudron"
     exit 1
 fi
 
 while true; do
-    if systemctl is-failed "${UPDATER_SERVICE}" >/dev/null 2>&1; then
-        echo "=> ${UPDATER_SERVICE} has failed"
+    if systemctl is-failed "${updater_service}" >/dev/null 2>&1; then
+        log "${updater_service} failed"
         exit 1
     fi
 
-    echo "${UPDATER_SERVICE} is still active. will check in 5 seconds"
+    log "${updater_service} is still active. will check in 5 seconds"
 
     sleep 5
     # this loop will stop once the update process stopped the box unit and thus terminating this child process