diff --git a/scripts/ZoneMinder/lib/ZoneMinder/Filter.pm b/scripts/ZoneMinder/lib/ZoneMinder/Filter.pm
index 02209a55c..2048a7ba8 100644
--- a/scripts/ZoneMinder/lib/ZoneMinder/Filter.pm
+++ b/scripts/ZoneMinder/lib/ZoneMinder/Filter.pm
@@ -225,29 +225,41 @@ sub Sql {
                 ) {
               $value = "'$temp_value'";
             } elsif ( $term->{attr} eq 'DateTime' or $term->{attr} eq 'StartDateTime' or $term->{attr} eq 'EndDateTime' ) {
-              $value = DateTimeToSQL( $temp_value );
-              if ( !$value ) {
-                Error( "Error parsing date/time '$temp_value', "
-                    ."skipping filter '$self->{Name}'\n" );
-                return;
+              if ( $temp_value == 'NULL' ) {
+                $value = $temp_value;
+              } else {
+                $value = DateTimeToSQL( $temp_value );
+                if ( !$value ) {
+                  Error( "Error parsing date/time '$temp_value', "
+                      ."skipping filter '$self->{Name}'\n" );
+                  return;
+                }
+                $value = "'$value'";
               }
-              $value = "'$value'";
             } elsif ( $term->{attr} eq 'Date' or $term->{attr} eq 'StartDate' or  $term->{attr} eq 'EndDate' ) {
-              $value = DateTimeToSQL( $temp_value );
-              if ( !$value ) {
-                Error( "Error parsing date/time '$temp_value', "
-                    ."skipping filter '$self->{Name}'\n" );
-                return;
+              if ( $temp_value == 'NULL' ) {
+                $value = $temp_value;
+              } else {
+                $value = DateTimeToSQL( $temp_value );
+                if ( !$value ) {
+                  Error( "Error parsing date/time '$temp_value', "
+                      ."skipping filter '$self->{Name}'\n" );
+                  return;
+                }
+                $value = "to_days( '$value' )";
               }
-              $value = "to_days( '$value' )";
             } elsif ( $term->{attr} eq 'Time' or $term->{attr} eq 'StartTime' or $term->{attr} eq 'EndTime' ) {
-              $value = DateTimeToSQL( $temp_value );
-              if ( !$value ) {
-                Error( "Error parsing date/time '$temp_value', "
-                    ."skipping filter '$self->{Name}'\n" );
-                return;
+              if ( $temp_value == 'NULL' ) {
+                $value = $temp_value;
+              } else {
+                $value = DateTimeToSQL( $temp_value );
+                if ( !$value ) {
+                  Error( "Error parsing date/time '$temp_value', "
+                      ."skipping filter '$self->{Name}'\n" );
+                  return;
+                }
+                $value = "extract( hour_second from '$value' )";
               }
-              $value = "extract( hour_second from '$value' )";
             } else {
               $value = $temp_value;
             }
diff --git a/web/skins/classic/views/options.php b/web/skins/classic/views/options.php
index 1c1d56cea..6f66ff716 100644
--- a/web/skins/classic/views/options.php
+++ b/web/skins/classic/views/options.php
@@ -206,6 +206,7 @@ foreach( array_map( 'basename', glob('skins/'.$current_skin.'/css/*',GLOB_ONLYDI
               <th class="colName"><?php echo translate('Name') ?></th>
               <th class="colHostname"><?php echo translate('Hostname') ?></th>
               <th class="colStatus"><?php echo translate('Status') ?></th>
+              <th class="colMonitorCount"><?php echo translate('Monitors') ?></th>
               <th class="colCpuLoad"><?php echo translate('CpuLoad') ?></th>
               <th class="colMemory"><?php echo translate('Free').'/'.translate('Total') . ' ' . translate('Memory') ?></th>
               <th class="colSwap"><?php echo translate('Free').'/'.translate('Total') . ' ' . translate('Swap') ?></th>
@@ -213,11 +214,12 @@ foreach( array_map( 'basename', glob('skins/'.$current_skin.'/css/*',GLOB_ONLYDI
 			</tr>
           </thead>
           <tbody>
-<?php foreach( dbFetchAll( 'SELECT * FROM Servers' ) as $row ) { ?>
+<?php foreach( dbFetchAll( 'SELECT *,(SELECT COUNT(Id) FROM Monitors WHERE ServerId=Servers.Id) AS MonitorCount FROM Servers' ) as $row ) { ?>
             <tr>
               <td class="colName"><?php echo makePopupLink( '?view=server&amp;id='.$row['Id'], 'zmServer', 'server', validHtmlStr($row['Name']), $canEdit ) ?></td>
               <td class="colHostname"><?php echo makePopupLink( '?view=server&amp;id='.$row['Id'], 'zmServer', 'server', validHtmlStr($row['Hostname']), $canEdit ) ?></td>
               <td class="colStatus"><?php echo makePopupLink( '?view=server&amp;id='.$row['Id'], 'zmServer', 'server', validHtmlStr($row['Status']), $canEdit ) ?></td>
+              <td class="colMonitorCount"><?php echo makePopupLink( '?view=server&amp;id='.$row['Id'], 'zmServer', 'server', validHtmlStr($row['MonitorCount']), $canEdit ) ?></td>
               <td class="colCpuLoad"><?php echo makePopupLink( '?view=server&amp;id='.$row['Id'], 'zmServer', 'server',$row['CpuLoad'], $canEdit ) ?></td>
               <td class="colMemory"><?php echo makePopupLink( '?view=server&amp;id='.$row['Id'], 'zmServer', 'server', human_filesize($row['FreeMem']) . ' / ' . human_filesize($row['TotalMem']), $canEdit ) ?></td>
               <td class="colSwap"><?php echo makePopupLink( '?view=server&amp;id='.$row['Id'], 'zmServer', 'server', human_filesize($row['FreeSwap']) . ' / ' . human_filesize($row['TotalSwap']) , $canEdit ) ?></td>