diff --git a/powerwall.sh b/powerwall.sh
index 31d246c8..f5ecc027 100755
--- a/powerwall.sh
+++ b/powerwall.sh
@@ -333,7 +333,7 @@ Shutting down servers!!" 1
 
 									fi	
 								fi
-							elif [ $(bc -l <<< "${temp_f} >= ${temp_crit}_sys") -eq 1 ]; then
+							elif [ $(bc -l <<< "${temp_f} >= ${temp_crit_sys}") -eq 1 ]; then
 								touch ${PW_TMPFOLDER}/temp.critsys
 								if [ ${temp_diff} -gt 1 ] || [ "${last_temp[${SENSOR}]}" = "1" ]; then
 									SENDNOTICE "${SENSOR} TEMP CRITICAL" "SYSTEM CRITICAL TEMP: ${temp_f}'F - (Difference of ${temp_diff}')" 1