diff --git a/aircon.sh b/aircon.sh
index 63142f6..1335170 100755
--- a/aircon.sh
+++ b/aircon.sh
@@ -1341,11 +1341,11 @@ function canping() {
     # send new arp req
     for n in ${!ip[@]}; do
         if [[ -n ${ip[$n]} ]]; then
-	    if [[ -e $ARPING ]]; then
+        if [[ -e $ARPING ]]; then
                 ${ARPING} -c10 -W0.2 -w4 -C1 -q ${ip[$n]} 2>/dev/null &
-	    else
+        else
                 ping -c 1 -w 1 -q ${ip[$n]} 2>/dev/null &
-	    fi
+        fi
         fi
     done
 
@@ -1357,7 +1357,7 @@ function canping() {
     for n in ${!ip[@]}; do
         if [[ -n ${ip[$n]} ]]; then
             arpres=$(arp -n ${ip[$n]} 2>/dev/null)
-	    arprv=$?
+        arprv=$?
             mac=$(echo "$arpres" | egrep -v "Host|xpired" | awk '{print $2}')
             [[ $mac == *:* ]] && success=1
         fi
@@ -1885,7 +1885,7 @@ done
 shift $((OPTIND - 1))
 
 if [[ ! -e $ARPING ]]; then
-	info "Warning: arping binary '$ARPING' not found, will use ping instead"
+    info "Warning: arping binary '$ARPING' not found, will use ping instead"
 fi
 
 if [[ -n $influxdb ]]; then