diff --git a/db/zm_create.sql.in b/db/zm_create.sql.in
index 6fbc7df57..d0a063642 100644
--- a/db/zm_create.sql.in
+++ b/db/zm_create.sql.in
@@ -796,14 +796,14 @@ DROP TRIGGER IF EXISTS Zone_Insert_Trigger//
 CREATE TRIGGER Zone_Insert_Trigger AFTER INSERT ON Zones
 FOR EACH ROW
   BEGIN
-    UPDATE Monitors SET ZoneCount=(SELECT COUNT(*) FROM Zones WHERE MonitorId=NEW.MonitorId) WHERE MonitorId=NEW.MonitorID;
+    UPDATE Monitors SET ZoneCount=(SELECT COUNT(*) FROM Zones WHERE MonitorId=NEW.MonitorId) WHERE Id=NEW.MonitorID;
   END
 //
 DROP TRIGGER IF EXISTS Zone_Delete_Trigger//
 CREATE TRIGGER Zone_Delete_Trigger AFTER DELETE ON Zones
 FOR EACH ROW
   BEGIN
-    UPDATE Monitors SET ZoneCount=(SELECT COUNT(*) FROM Zones WHERE MonitorId=OLD.MonitorId) WHERE MonitorId=OLD.MonitorID;
+    UPDATE Monitors SET ZoneCount=(SELECT COUNT(*) FROM Zones WHERE MonitorId=OLD.MonitorId) WHERE Id=OLD.MonitorID;
   END
 //
 
diff --git a/db/zm_update-1.31.21.sql b/db/zm_update-1.31.21.sql
index 20252478a..a50fafac5 100644
--- a/db/zm_update-1.31.21.sql
+++ b/db/zm_update-1.31.21.sql
@@ -3,7 +3,7 @@ DROP TRIGGER IF EXISTS Zone_Insert_Trigger//
 CREATE TRIGGER Zone_Insert_Trigger AFTER INSERT ON Zones
 FOR EACH ROW
   BEGIN
-    UPDATE Monitors SET ZoneCount=(SELECT COUNT(*) FROM Zones WHERE MonitorId=NEW.MonitorId) WHERE MonitorId=NEW.MonitorID;
+    UPDATE Monitors SET ZoneCount=(SELECT COUNT(*) FROM Zones WHERE MonitorId=NEW.MonitorId) WHERE Id=NEW.MonitorID;
   END
 //
 
@@ -11,7 +11,7 @@ DROP TRIGGER IF EXISTS Zone_Delete_Trigger//
 CREATE TRIGGER Zone_Delete_Trigger AFTER DELETE ON Zones
 FOR EACH ROW
   BEGIN
-    UPDATE Monitors SET ZoneCount=(SELECT COUNT(*) FROM Zones WHERE MonitorId=OLD.MonitorId) WHERE MonitorId=OLD.MonitorID;
+    UPDATE Monitors SET ZoneCount=(SELECT COUNT(*) FROM Zones WHERE MonitorId=OLD.MonitorId) WHERE Id=OLD.MonitorID;
   END
 //
 
diff --git a/db/zm_update-1.31.22.sql b/db/zm_update-1.31.22.sql
new file mode 100644
index 000000000..04533b7f4
--- /dev/null
+++ b/db/zm_update-1.31.22.sql
@@ -0,0 +1,19 @@
+delimiter //
+DROP TRIGGER IF EXISTS Zone_Insert_Trigger//
+CREATE TRIGGER Zone_Insert_Trigger AFTER INSERT ON Zones
+FOR EACH ROW
+  BEGIN
+    UPDATE Monitors SET ZoneCount=(SELECT COUNT(*) FROM Zones WHERE MonitorId=NEW.MonitorId) WHERE Id=NEW.MonitorID;
+  END
+//
+
+DROP TRIGGER IF EXISTS Zone_Delete_Trigger//
+CREATE TRIGGER Zone_Delete_Trigger AFTER DELETE ON Zones
+FOR EACH ROW
+  BEGIN
+    UPDATE Monitors SET ZoneCount=(SELECT COUNT(*) FROM Zones WHERE MonitorId=OLD.MonitorId) WHERE Id=OLD.MonitorID;
+  END
+//
+
+UPDATE Monitors SET ZoneCount=(SELECT COUNT(Id) FROM Zones WHERE MonitorId=Monitors.Id)//
+UPDATE Storage SET DiskSpace=(SELECT SUM(DiskSpace) FROM Events WHERE StorageId=Storage.Id);
diff --git a/version b/version
index 96729c873..f6cb7f351 100644
--- a/version
+++ b/version
@@ -1 +1 @@
-1.31.21
+1.31.22
diff --git a/web/includes/Storage.php b/web/includes/Storage.php
index 44749089a..335b8d2cd 100644
--- a/web/includes/Storage.php
+++ b/web/includes/Storage.php
@@ -120,6 +120,7 @@ public static function find_all( $parameters = null, $options = null ) {
     }
     $used = $this->disk_used_space();
     $usage = round( ($used / $total) * 100);
+    Warning("Used $usage = round( ( $used / $total ) * 100 )");
     return $usage;
   }
   public function disk_total_space() {
@@ -130,7 +131,7 @@ public static function find_all( $parameters = null, $options = null ) {
   }
   public function disk_used_space() {
     # This isn't a function like this in php, so we have to add up the space used in each event.
-    if ( ! array_key_exists( 'DiskSpace', $this ) ) {
+    if ( (! array_key_exists( 'DiskSpace', $this )) or (!$this->{'DiskSpace'}) ) {
       $used = 0;
       if ( $this->{'Type'} == 's3fs' ) {
         $used = dbFetchOne('SELECT SUM(DiskSpace) AS DiskSpace FROM Events WHERE StorageId=? AND DiskSpace IS NOT NULL', 'DiskSpace', array($this->Id()) );