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-rwxr-xr-xi3blocks/i3battery.sh1
1 files changed, 1 insertions, 0 deletions
diff --git a/i3blocks/i3battery.sh b/i3blocks/i3battery.sh
index 1be8142..256b199 100755
--- a/i3blocks/i3battery.sh
+++ b/i3blocks/i3battery.sh
@@ -12,6 +12,7 @@ case $BLOCK_BUTTON in
esac
battery="$CONFIG_BATTERY"
+[ -n "$battery" ] || exit 0
status=$(cat /sys/class/power_supply/"$battery"/status)
capacity=$(cat /sys/class/power_supply/"$battery"/capacity) || exit 0
[ -f "/bin/acpi" ] && remaining="$(acpi | cut -d' ' -f5 | cut -d':' -f-2)" || remaining="missing acpi"