diff --git a/html/forms/create-alert-item.inc.php b/html/forms/create-alert-item.inc.php
index e11c56124..91907e26f 100644
--- a/html/forms/create-alert-item.inc.php
+++ b/html/forms/create-alert-item.inc.php
@@ -22,6 +22,7 @@ $rule = rtrim($rule,'||');
 $alert_id = $_POST['alert_id'];
 $count = mres($_POST['count']);
 $delay = mres($_POST['delay']);
+$interval = mres($_POST['interval']);
 $mute = mres($_POST['mute']);
 $invert = mres($_POST['invert']);
 $name = mres($_POST['name']);
@@ -34,6 +35,7 @@ if(empty($rule)) {
         $count='-1';
     }
     $delay_sec = convert_delay($delay);
+    $interval_sec = convert_delay($interval);
     if($mute == 'on') {
         $mute = true;
     } else {
@@ -44,7 +46,7 @@ if(empty($rule)) {
     } else {
         $invert = false;
     }
-    $extra = array('mute'=>$mute,'count'=>$count,'delay'=>$delay_sec,'invert'=>$invert);
+    $extra = array('mute'=>$mute,'count'=>$count,'delay'=>$delay_sec,'invert'=>$invert,'interval'=>$interval_sec);
     $extra_json = json_encode($extra);
     if(is_numeric($alert_id) && $alert_id > 0) {
         if(dbUpdate(array('rule' => $rule,'severity'=>mres($_POST['severity']),'extra'=>$extra_json,'name'=>$name), 'alert_rules', 'id=?',array($alert_id)) >= 0) {
diff --git a/html/includes/modal/new_alert_rule.inc.php b/html/includes/modal/new_alert_rule.inc.php
index 59f464e3b..3d952ea95 100644
--- a/html/includes/modal/new_alert_rule.inc.php
+++ b/html/includes/modal/new_alert_rule.inc.php
@@ -87,10 +87,14 @@ if(is_admin() !== false) {
             <div class='col-sm-2'>
                 <input type='text' id='count' name='count' class='form-control'>
             </div>
-            <label for='delay' class='col-sm-3 control-label'>Alert delay: </label>
+            <label for='delay' class='col-sm-1 control-label'>Delay: </label>
             <div class='col-sm-2'>
                 <input type='text' id='delay' name='delay' class='form-control'>
             </div>
+            <label for='interval' class='col-sm-2 control-label'>Interval: </label>
+            <div class='col-sm-2'>
+                <input type='text' id='interval' name='interval' class='form-control'>
+            </div>
         </div>
         <div class='form-group'>
             <label for='mute' class='col-sm-3 control-label'>Mute alerts: </label>
@@ -196,6 +200,16 @@ $('#create-alert').on('show.bs.modal', function (event) {
                 var delay = extra['delay'];
             }
             $('#delay').val(delay);
+            if((extra['interval'] / 86400) >= 1) {
+                var interval = extra['interval'] / 86400 + ' d';
+            } else if((extra['interval'] / 3600) >= 1) {
+                var interval = extra['interval'] / 3600 + ' h';
+            } else if((extra['interval'] / 60) >= 1) {
+                var interval = extra['interval'] / 60 + ' m';
+            } else {
+                var interval = extra['interval'];
+            }
+            $('#interval').val(interval);
             $("[name='mute']").bootstrapSwitch('state',extra['mute']);
             $("[name='invert']").bootstrapSwitch('state',extra['invert']);
             $('#name').val(output['name']);
diff --git a/html/includes/print-alert-rules.php b/html/includes/print-alert-rules.php
index 03b6707c4..08753ca61 100644
--- a/html/includes/print-alert-rules.php
+++ b/html/includes/print-alert-rules.php
@@ -122,7 +122,7 @@ foreach( dbFetchRows($full_query, $param) as $rule ) {
 	echo "<tr class='".$extra."' id='row_".$rule['id']."'>";
 	echo "<td><i>#".((int) $rulei++)."</i></td>";
         echo "<td>".$rule['name']."</td>";
-        echo "<td>";
+        echo "<td class='col-sm-4'>";
         if($rule_extra['invert'] === true) {
             echo "<strong><em>Inverted</em></strong> ";
         }
@@ -132,7 +132,7 @@ foreach( dbFetchRows($full_query, $param) as $rule ) {
         if($rule_extra['mute'] === true) {
             echo "<span class='glyphicon glyphicon-volume-off glyphicon-large text-primary' aria-hidden='true'></span></td>";
         }
-        echo "<td><small>Max: ".$rule_extra['count']."<br />Delay: ".$rule_extra['delay']."</small></td>";
+        echo "<td><small>Max: ".$rule_extra['count']."<br />Delay: ".$rule_extra['delay']."<br />Interval: ".$rule_extra['interval']."</small></td>";
         echo "<td>";
         if ($_SESSION['userlevel'] >= '10') {
             echo "<input id='".$rule['id']."' type='checkbox' name='alert-rule' data-orig_class='".$orig_class."' data-orig_colour='".$orig_col."' data-orig_state='".$orig_ico."' data-alert_id='".$rule['id']."' ".$alert_checked." data-size='small'>";