diff --git a/includes/polling/applications/portactivity.inc.php b/includes/polling/applications/portactivity.inc.php
index 264b416c5f..d5e0199117 100644
--- a/includes/polling/applications/portactivity.inc.php
+++ b/includes/polling/applications/portactivity.inc.php
@@ -149,6 +149,9 @@ if (empty($ports_keys)) {
         $portsc = $component->createComponent($device_id, 'portsactivity');
     }
 
+    // Make sure we don't readd it, just in a different order.
+    sort($ports_keys);
+
     $id = $component->getFirstComponentID($portsc);
     $portsc[$id]['label'] = 'Portsactivity';
     $portsc[$id]['ports'] = json_encode($ports_keys);
diff --git a/includes/polling/applications/postgres.inc.php b/includes/polling/applications/postgres.inc.php
index 4cc35b784a..e182209692 100644
--- a/includes/polling/applications/postgres.inc.php
+++ b/includes/polling/applications/postgres.inc.php
@@ -128,6 +128,9 @@ if (empty($found_dbs)) {
         $pgc = $component->createComponent($device_id, 'postgres');
     }
 
+    // Make sure we don't readd it, just in a different order.
+    sort($found_dbs);
+
     $id = $component->getFirstComponentID($pgc);
     $pgc[$id]['label'] = 'Postgres';
     $pgc[$id]['databases'] = json_encode($found_dbs);
diff --git a/includes/polling/applications/zfs.inc.php b/includes/polling/applications/zfs.inc.php
index e1fc12cd64..6b5b4e4be2 100644
--- a/includes/polling/applications/zfs.inc.php
+++ b/includes/polling/applications/zfs.inc.php
@@ -9,7 +9,7 @@ $app_id = $app['app_id'];
 
 echo $name;
 
-// Is set to false later if missing keys are found. 
+// Is set to false later if missing keys are found.
 $not_legacy=1;
 
 try {
@@ -205,6 +205,9 @@ if (empty($pools)) {
         $zfsc = $component->createComponent($device_id, 'zfs');
     }
 
+    // Make sure we don't readd it, just in a different order.
+    sort($pools);
+
     $id = $component->getFirstComponentID($zfsc);
     $zfsc[$id]['label'] = 'ZFS';
     $zfsc[$id]['pools'] = json_encode($pools);