diff --git a/inc/temp.inc.sh b/inc/temp.inc.sh
index 8c0ddffb..f2fd1ce4 100644
--- a/inc/temp.inc.sh
+++ b/inc/temp.inc.sh
@@ -395,7 +395,7 @@ CHECKTEMP_SERVICE(){
 							else
 								if [ "${PW_SENSOR_TYPE[${SENSOR}]}" == "cpu" ]; then
 									temp_f=$(echo "scale=2; $temp_c/1" | bc -l)
-								elif [ "${PW_SENSOR_TYPE[${SENSORa}]}" == "system" ] && [[ "${SENSORa}" = *"FAN"* ]]; then
+								elif [ "${PW_SENSOR_TYPE[${SENSOR}]}" == "system" ] && [[ "${SENSOR}" = *"FAN"* ]]; then
 									temp_f=${temp_c}
 								else
 									temp_f=$(bc <<< "scale=2; ${temp_c}*1.8+32")