diff --git a/powerwall.sh b/powerwall.sh
index 499af03a..0709dbf0 100755
--- a/powerwall.sh
+++ b/powerwall.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # powerwall - CLI commands to control VM guest power
 
 action="$1"
@@ -122,9 +122,9 @@ CHECKPOWER(){
 	BATTV=`echo ${JSONSTATS} | jq '.inputs .battV'`
 	BATTA=`echo ${JSONSTATS} | jq '.inputs .xfA'`
 	
-	OUTPUTV2=$(awk -ov_val="$OUTPUTV" 'BEGIN{print $ov_val/2}')
+	OUTPUTV2=$(awk -ov_val="$OUTPUTV" 'BEGIN{print ov_val/2}')
 	
-	echo "HERE $(($OUTPUTV/2))"
+	echo "HERE $OUTPUTV2"
 	
 	echo "Input Power: ${INPUTV}V / ${INPUTA}A"
 	echo "Output Power: ${OUTPUTV}V (${OUTPUTV2}V) / ${OUTPUTA}A"