diff --git a/.local/bin/statusbar/nettraf b/.local/bin/statusbar/nettraf
index c9b003f..6972b7e 100755
--- a/.local/bin/statusbar/nettraf
+++ b/.local/bin/statusbar/nettraf
@@ -4,18 +4,18 @@
 # transmitted (TX) since the previous time this script ran. So if run every
 # second, gives network traffic per second.
 
-case "$BLOCK_BUTTON" in
+case $BLOCK_BUTTON in
 	3) notify-send "🌐 Network traffic module" "🔻: Traffic received
 🔺: Traffic transmitted" ;;
 	6) "$TERMINAL" -e "$EDITOR" "$0" ;;
 esac
 
-logfile="${XDG_CACHE_HOME:-$HOME/.cache}/netlog"
+logfile=${XDG_CACHE_HOME:-$HOME/.cache}/netlog
 [ -f "$logfile" ] || echo "0 0" > "$logfile"
 read -r rxprev txprev < "$logfile"
 
-rxcurrent="$(($(paste -d '+' /sys/class/net/[ew]*/statistics/rx_bytes)))"
-txcurrent="$(($(paste -d '+' /sys/class/net/[ew]*/statistics/tx_bytes)))"
+rxcurrent=$(($(paste -d '+' /sys/class/net/[ew]*/statistics/rx_bytes)))
+txcurrent=$(($(paste -d '+' /sys/class/net/[ew]*/statistics/tx_bytes)))
 
 printf "🔻%dKiB 🔺%dKiB\\n" "$(((rxcurrent-rxprev)/1024))" "$(((txcurrent-txprev)/1024))"