diff --git a/powerwall.sh b/powerwall.sh
index a6fee5a2..2af7b2f5 100755
--- a/powerwall.sh
+++ b/powerwall.sh
@@ -122,7 +122,7 @@ CHECKPOWER(){
 	BATTV=`echo ${JSONSTATS} | jq '.inputs .battV'`
 	BATTA=`echo ${JSONSTATS} | jq '.inputs .xfA'`
 	
-	OUTPUTV2=`expr ${OUTPUTV%.*} / 2`
+	OUTPUTV2=$(awk -vp_val="$p" 'BEGIN{print ${OUTPUTV}/2}')
 	
 	echo "HERE $(($OUTPUTV/2))"