diff --git a/powerwall.sh b/powerwall.sh
index 1055328e..03e07bef 100755
--- a/powerwall.sh
+++ b/powerwall.sh
@@ -125,7 +125,7 @@ CHECKACV_SERVICE(){
 				echo -e "($datetime) Normal voltage detected\nVOLTAGE: ${INPUTACV}V" | mail -s "Power Nominal" $email_alert
 				echo "alert sent"
 			fi
-			last_volt=1
+			voltstatus=1
 		else
 			echo "($datetime) LOW voltage: ${INPUTACV}V"
 			if [ $voltstatus -lt 3 ]; then