diff --git a/offsite-power-check.sh b/offsite-power-check.sh
index 37b9bf26..ef154f02 100755
--- a/offsite-power-check.sh
+++ b/offsite-power-check.sh
@@ -51,7 +51,7 @@ VOLTAGE: ${OFFSITE_VOLTIN}'Volts"
 		fi
 		
 	else
-		[ $(expr `date +%s` - $(stat -f %Y ${PW_LOGPOWER})) -le 300 ] && echo "($(date +'%Y-%m-%d %H:%M:%S')) - ${OFFSITE_VOLTIN}'Volts - Offsite Normal Voltage" >> ${PW_LOGPOWER}
+		[ $(expr `date +%s` - $(stat -f %Y ${PW_LOGPOWER})) -gt 299 ] && echo "($(date +'%Y-%m-%d %H:%M:%S')) - ${OFFSITE_VOLTIN}'Volts - Offsite Normal Voltage" >> ${PW_LOGPOWER}
 	fi
 else
 	echo "($(date +'%Y-%m-%d %H:%M:%S')) - ${OFFSITE_VOLTIN}'Volts - OFFSITE POWER OFF/LOW POWER" >> ${PW_LOGPOWER}