diff --git a/powerwall.sh b/powerwall.sh
index 5b99cab7..de945b7d 100755
--- a/powerwall.sh
+++ b/powerwall.sh
@@ -122,7 +122,7 @@ CHECKPOWER(){
 	BATTV=`echo ${JSONSTATS} | jq '.inputs .battV'`
 	BATTA=`echo ${JSONSTATS} | jq '.inputs .xfA'`
 	
-	OUTPUTV=$OUTPUTV / 2
+	OUTPUTV=($OUTPUTV/2)
 	
 	
 	echo "Input Power: ${INPUTV}V / ${INPUTA}A"