diff --git a/inc/power.inc.sh b/inc/power.inc.sh
index 3f17976d..124aa4f4 100644
--- a/inc/power.inc.sh
+++ b/inc/power.inc.sh
@@ -316,7 +316,7 @@ CHECKPOWER(){
 							SENSOR_TOTAL_AMPS_OFFSITE=$(echo "scale=1; ${SENSOR_TOTAL_AMPS_OFFSITE}+${HOST_AMPS}" | bc)
 						fi
 					fi
-					if [ "${avgdays}" != "" ]; then
+					if [ "${avgdays}" != "" ] && [ ${HOST_WATTS} -ne 0 ]; then
 						echo -en "${idsCL[LightYellow]}		Calculating average ...${idsCL[Default]}"
 						average=$(AVERAGEPOWER ${PW_POWERSENSOR_ID[${SENSOR}]} ${avgdays}); average_disp="${idsCL[LightYellow]}		`IDS_NUMBER_FORMAT ${average} 2`'watts"
 						echo -en "\r\033[K"; echo -en "${MSG}${idsCL[LightYellow]}${average_disp}"