diff --git a/src/etc/inc/plugins.inc.d/core.inc b/src/etc/inc/plugins.inc.d/core.inc
index 8e835bd44..3e4520b83 100644
--- a/src/etc/inc/plugins.inc.d/core.inc
+++ b/src/etc/inc/plugins.inc.d/core.inc
@@ -176,7 +176,7 @@ function core_cron()
 
     $jobs[]['autocron'] = array('/usr/local/sbin/ping_hosts.sh', '*/4');
 
-    if (!empty($config['system']['rrdbackup'])) {
+    if (!empty($config['system']['rrdbackup']) && $config['system']['rrdbackup'] > 0) {
         $jobs[]['autocron'] = array(
             '/usr/local/etc/rc.syshook.d/backup/20-rrd',
             '0',
@@ -184,7 +184,7 @@ function core_cron()
         );
     }
 
-    if (!empty($config['system']['dhcpbackup'])) {
+    if (!empty($config['system']['dhcpbackup']) && $config['system']['dhcpbackup'] > 0) {
         $jobs[]['autocron'] = array(
             '/usr/local/etc/rc.syshook.d/backup/20-dhcpleases',
             '0',
@@ -192,7 +192,7 @@ function core_cron()
         );
     }
 
-    if (!empty($config['system']['netflowbackup'])) {
+    if (!empty($config['system']['netflowbackup']) && $config['system']['netflowbackup'] > 0) {
         $jobs[]['autocron'] = array(
             '/usr/local/etc/rc.syshook.d/backup/20-netflow',
             '0',
@@ -200,7 +200,7 @@ function core_cron()
         );
     }
 
-    if (!empty($config['system']['captiveportalbackup'])) {
+    if (!empty($config['system']['captiveportalbackup']) && $config['system']['captiveportalbackup'] > 0) {
         $jobs[]['autocron'] = array(
             '/usr/local/etc/rc.syshook.d/backup/20-captiveportal',
             '0',
diff --git a/src/www/system_advanced_misc.php b/src/www/system_advanced_misc.php
index e64124479..b1e61a6cb 100644
--- a/src/www/system_advanced_misc.php
+++ b/src/www/system_advanced_misc.php
@@ -334,14 +334,13 @@ include("head.inc");
                 <td><a id="help_for_rrdbackup" href="#" class="showhelp"><i class="fa fa-info-circle"></i></a> <?=gettext("Periodic RRD Backup");?></td>
                 <td>
                   <select name="rrdbackup" class="selectpicker" data-style="btn-default" id="rrdbackup">
-                    <option value='0' <?=!$pconfig['rrdbackup'] == 0 ? 'selected="selected"' : ''; ?>><?=gettext("Disabled"); ?></option>
-<?php
-                    for ($x = 1; $x <= 24; $x++): ?>
+                    <option value='0' <?=!$pconfig['rrdbackup'] == 0 ? 'selected="selected"' : '' ?>><?= gettext('Power off') ?></option>
+<?php for ($x = 1; $x <= 24; $x++): ?>
                     <option value="<?= $x ?>" <?= $pconfig['rrdbackup'] == $x ? 'selected="selected"' : ''; ?>>
                       <?= $x == 1 ? gettext('1 hour') : sprintf(gettext('%s hours'), $x) ?>
                     </option>
-<?php
-                      endfor; ?>
+<?php endfor ?>
+                    <option value='-1' <?=!$pconfig['rrdbackup'] == -1 ? 'selected="selected"' : '' ?>><?=gettext('Disabled') ?></option>
                   </select>
                   <br />
                   <div class="hidden" data-for="help_for_rrdbackup">
@@ -353,14 +352,13 @@ include("head.inc");
                 <td><a id="help_for_dhcpbackup" href="#" class="showhelp"><i class="fa fa-info-circle"></i></a> <?=gettext("Periodic DHCP Leases Backup");?></td>
                 <td>
                   <select name="dhcpbackup" class="selectpicker" data-style="btn-default" id="dhcpbackup">
-                    <option value='0' <?= $pconfig['dhcpbackup'] == 0 ? "selected='selected'" : ''; ?>><?=gettext('Disabled'); ?></option>
-<?php
-                    for ($x = 1; $x <= 24; $x++): ?>
+                    <option value='0' <?= $pconfig['dhcpbackup'] == 0 ? "selected='selected'" : '' ?>><?= gettext('Power off') ?></option>
+<?php for ($x = 1; $x <= 24; $x++): ?>
                     <option value="<?= $x ?>" <?= $pconfig['dhcpbackup'] == $x ? 'selected="selected"' : '';?>>
                       <?= $x == 1 ? gettext('1 hour') : sprintf(gettext('%s hours'), $x) ?>
                     </option>
-<?php
-                    endfor; ?>
+<?php endfor ?>
+                    <option value='-1' <?= $pconfig['dhcpbackup'] == -1 ? "selected='selected'" : '' ?>><?= gettext('Disabled') ?></option>
                   </select>
                   <div class="hidden" data-for="help_for_dhcpbackup">
                     <?=gettext("This will periodically backup the DHCP leases data so it can be restored automatically on the next boot.");?>
@@ -371,14 +369,13 @@ include("head.inc");
                 <td><a id="help_for_netflowbackup" href="#" class="showhelp"><i class="fa fa-info-circle"></i></a> <?=gettext("Periodic NetFlow Backup");?></td>
                 <td>
                   <select name="netflowbackup" class="selectpicker" data-style="btn-default" id="netflowbackup">
-                    <option value='0' <?= $pconfig['netflowbackup'] == 0 ? 'selected="selected"' : ''; ?>><?=gettext('Disabled'); ?></option>
-<?php
-                    for ($x = 1; $x <= 24; $x++): ?>
+                    <option value='0' <?= $pconfig['netflowbackup'] == 0 ? 'selected="selected"' : '' ?>><?= gettext('Power off') ?></option>
+<?php for ($x = 1; $x <= 24; $x++): ?>
                     <option value="<?= $x ?>" <?= $pconfig['netflowbackup'] == $x ? 'selected="selected"' : '';?>>
                       <?= $x == 1 ? gettext('1 hour') : sprintf(gettext('%s hours'), $x) ?>
                     </option>
-<?php
-                    endfor; ?>
+<?php endfor ?>
+                    <option value='-1' <?= $pconfig['netflowbackup'] == -1 ? 'selected="selected"' : '' ?>><?= gettext('Disabled') ?></option>
                   </select>
                   <div class="hidden" data-for="help_for_netflowbackup">
                     <?=gettext("This will periodically backup the NetFlow data aggregation so it can be restored automatically on the next boot.");?>
@@ -389,14 +386,13 @@ include("head.inc");
                 <td><a id="help_for_captiveportalbackup" href="#" class="showhelp"><i class="fa fa-info-circle"></i></a> <?=gettext("Periodic Captive Portal Backup");?></td>
                 <td>
                   <select name="captiveportalbackup" class="selectpicker" data-style="btn-default" id="captiveportalbackup">
-                    <option value='0' <?= $pconfig['captiveportalbackup'] == 0 ? 'selected="selected"' : ''; ?>><?=gettext('Disabled'); ?></option>
-<?php
-                    for ($x = 1; $x <= 24; $x++): ?>
+                    <option value='0' <?= $pconfig['captiveportalbackup'] == 0 ? 'selected="selected"' : '' ?>><?= gettext('Power off') ?></option>
+<?php for ($x = 1; $x <= 24; $x++): ?>
                     <option value="<?= $x ?>" <?= $pconfig['captiveportalbackup'] == $x ? 'selected="selected"' : '';?>>
                       <?= $x == 1 ? gettext('1 hour') : sprintf(gettext('%s hours'), $x) ?>
                     </option>
-<?php
-                    endfor; ?>
+<?php endfor ?>
+                    <option value='-1' <?= $pconfig['captiveportalbackup'] == -1 ? 'selected="selected"' : '' ?>><?= gettext('Disabled') ?></option>
                   </select>
                   <div class="hidden" data-for="help_for_captiveportalbackup">
                     <?=gettext("This will periodically backup the captive portal session data so it can be restored automatically on the next boot.");?>