diff --git a/systemd/system/log_battery.service b/systemd/system/log_battery.service
index 43b9a61..66d23dc 100644
--- a/systemd/system/log_battery.service
+++ b/systemd/system/log_battery.service
@@ -6,4 +6,4 @@ Wants=log_battery.timer
 User=root
 Group=root
 Type=oneshot
-ExecStart=/usr/local/bin/log_battery.sh /org/freedesktop/UPower/devices/battery_BAT0 /home/emiliko/safe/loggers/battery/battery.csv
+ExecStart=/usr/local/bin/log_battery.sh BAT0 /home/emiliko/safe/loggers/battery/battery.csv
diff --git a/systemd/system/timer-scripts/log_battery.sh b/systemd/system/timer-scripts/log_battery.sh
index 631c890..d996dd7 100755
--- a/systemd/system/timer-scripts/log_battery.sh
+++ b/systemd/system/timer-scripts/log_battery.sh
@@ -7,9 +7,9 @@ declare -r write_path="$2"
 
 if [[ $# -ne 2 ]]; then
   cat <<HELP
-log_battery systemd.timer v2.0
+log_battery systemd.timer v2.1
 
-USAGE: $(basename "$0") <battery-name> <csv-path>"
+USAGE: $(basename "$0") <battery-name> <csv-path>
 
 EXAMPLES:
     $(basename "$0") BAT0 /home/emiliko/loggers/battery.csv