diff --git a/inc/power.inc.sh b/inc/power.inc.sh
index 11b177f3..27bda300 100644
--- a/inc/power.inc.sh
+++ b/inc/power.inc.sh
@@ -848,8 +848,8 @@ POWERLOGGER_SERVICE(){
 			${mysql_conn} -e "USE servermonitor; ${QRY}"
 			echo 1
 			if [ "${SVRRM_WATT}" != "" ]; then
-				SVRRM_WATT_WAC=$(expr ${SVRRM_WATT} + ${AIRCON_WATT})
-				SVRRM_AMP_WAC=$(expr ${SVRRM_AMP} + ${AIRCON_AMP})
+				SVRRM_AMP_WAC=$(echo "scale=2; ${SVRRM_AMP}+${AIRCON_AMP}" | bc -l)
+				SVRRM_WATT_WAC=$(echo "scale=2; ${SVRRM_WATT}+${AIRCON_WATT}" | bc -l)
 				echo "HERE: ${SVRRM_AMP} - ${AIRCON_AMP} - ${SVRRM_AMP_WAC} - ${SVRRM_WATT_WAC}"
 				QRY="INSERT INTO power_data (\`sensorid\`, \`date\`, \`amp\`, \`watt\`) VALUES ('${PW_POWERSENSOR_ID['total-wac']}','${LogDataTime}','${SVRRM_AMP_WAC}','${SVRRM_WATT_WAC}')"
 				${mysql_conn} -e "USE servermonitor; ${QRY}"