diff --git a/library/Icingadb/Common/IcingaRedis.php b/library/Icingadb/Common/IcingaRedis.php
index d864b22a..b15661df 100644
--- a/library/Icingadb/Common/IcingaRedis.php
+++ b/library/Icingadb/Common/IcingaRedis.php
@@ -171,10 +171,15 @@ class IcingaRedis
                     $data['in_downtime'] = $data['in_downtime'] ? 'y' : 'n';
                 }
 
-                if (isset($data['is_acknowledged']) && is_int($data['is_acknowledged'])) {
+                if (isset($data['is_acknowledged']) && is_bool($data['is_acknowledged'])) {
                     $data['is_acknowledged'] = $data['is_acknowledged'] ? 'y' : 'n';
                 }
 
+                if (isset($data['is_sticky_acknowledgement']) && is_bool($data['is_sticky_acknowledgement'])) {
+                    $data['is_sticky_acknowledgement'] = $data['is_sticky_acknowledgement'] ? 'y' : 'n';
+                }
+
+
                 yield $ids[$i] => array_intersect_key(array_merge($keyMap, $data), $keyMap);
             }
         }
diff --git a/library/Icingadb/Compat/UrlMigrator.php b/library/Icingadb/Compat/UrlMigrator.php
index 882d13fd..8cc64d59 100644
--- a/library/Icingadb/Compat/UrlMigrator.php
+++ b/library/Icingadb/Compat/UrlMigrator.php
@@ -392,9 +392,17 @@ class UrlMigrator
             'host_acknowledged' => [
                 'host.state.is_acknowledged' => self::NO_YES
             ],
-            'host_acknowledgement_type' => [
-                'host.state.is_acknowledged' => array_merge(self::NO_YES, ['sticky'])
-            ],
+            'host_acknowledgement_type' => function ($filter) {
+                $value = $filter->getValue();
+
+                if ($value == '2') {
+                    return Filter::equal('host.state.is_sticky_acknowledgement', 'y');
+                }
+
+                return isset(self::NO_YES[$value])
+                    ? Filter::equal('host.state.is_acknowledged', self::NO_YES[$value])
+                    : false;
+            },
             'host_action_url' => [
                 'host.action_url.action_url' => self::USE_EXPR
             ],
@@ -701,9 +709,17 @@ class UrlMigrator
             'service_acknowledged' => [
                 'service.state.is_acknowledged' => self::NO_YES
             ],
-            'service_acknowledgement_type' => [
-                'service.state.is_acknowledged' => array_merge(self::NO_YES, ['sticky'])
-            ],
+            'service_acknowledgement_type' => function ($filter) {
+                $value = $filter->getValue();
+
+                if ($value == '2') {
+                    return Filter::equal('service.state.is_sticky_acknowledgement', 'y');
+                }
+
+                return isset(self::NO_YES[$value])
+                    ? Filter::equal('service.state.is_acknowledged', self::NO_YES[$value])
+                    : false;
+            },
             'service_action_url' => [
                 'service.action_url.action_url' => self::USE_EXPR
             ],
diff --git a/library/Icingadb/Model/HostState.php b/library/Icingadb/Model/HostState.php
index 23c93f42..9ebbbd29 100644
--- a/library/Icingadb/Model/HostState.php
+++ b/library/Icingadb/Model/HostState.php
@@ -60,6 +60,7 @@ class HostState extends State
 
         if (Backend::supportsDependencies()) {
             $columns['affects_children'] = t('Host Affects Children');
+            $columns['is_sticky_acknowledgement'] = t('Acknowledgement Is Sticky');
         }
 
         return $columns;
diff --git a/library/Icingadb/Model/ServiceState.php b/library/Icingadb/Model/ServiceState.php
index a2bbb9c0..f79b1ffc 100644
--- a/library/Icingadb/Model/ServiceState.php
+++ b/library/Icingadb/Model/ServiceState.php
@@ -62,6 +62,7 @@ class ServiceState extends State
 
         if (Backend::supportsDependencies()) {
             $columns['affects_children'] = t('Service Affects Children');
+            $columns['is_sticky_acknowledgement'] = t('Acknowledgement Is Sticky');
         }
 
         return $columns;
diff --git a/library/Icingadb/Model/State.php b/library/Icingadb/Model/State.php
index b4ec2765..56f39c20 100644
--- a/library/Icingadb/Model/State.php
+++ b/library/Icingadb/Model/State.php
@@ -36,7 +36,8 @@ use ipl\Web\Widget\Icon;
  * @property bool $is_reachable Whether the node is reachable
  * @property bool $is_flapping Whether the state is flapping
  * @property bool $is_overdue Whether the check is overdue
- * @property bool|string $is_acknowledged Whether the state is acknowledged (bool), can also be `sticky` (string)
+ * @property bool $is_acknowledged Whether the state is acknowledged
+ * @property bool $is_sticky_acknowledgement Whether the acknowledgement is sticky
  * @property ?string $acknowledgement_comment_id The id of acknowledgement comment
  * @property ?string $last_comment_id The id of last comment
  * @property bool $in_downtime Whether the node is in downtime
@@ -105,6 +106,7 @@ abstract class State extends Model
 
         if (Backend::supportsDependencies()) {
             $columns[] = 'affects_children';
+            $columns[] = 'is_sticky_acknowledgement';
         }
 
         return $columns;
@@ -119,6 +121,7 @@ abstract class State extends Model
             'is_flapping',
             'is_overdue',
             'is_acknowledged',
+            'is_sticky_acknowledgement',
             'in_downtime',
             'affects_children'
         ]));