diff --git a/include/api.php b/include/api.php
index 6f5120691..dda4631ce 100644
--- a/include/api.php
+++ b/include/api.php
@@ -5906,7 +5906,7 @@ function api_friendica_notification_seen($type)
 		$notify = DI::notify()->getByID($id);
 		DI::notify()->setSeen(true, $notify);
 
-		if ($notify->otype === Notify::OTYPE_ITEM) {
+		if ($notify->otype === Notify\ObjectType::ITEM) {
 			$item = Item::selectFirstForUser(api_user(), [], ['id' => $notify->iid, 'uid' => api_user()]);
 			if (DBA::isResult($item)) {
 				// we found the item, return it to the user
diff --git a/include/enotify.php b/include/enotify.php
index 18f5dec88..9f18a472d 100644
--- a/include/enotify.php
+++ b/include/enotify.php
@@ -134,7 +134,7 @@ function notification($params)
 
 		// if it's a post figure out who's post it is.
 		$item = null;
-		if ($params['otype'] === Notify::OTYPE_ITEM && $parent_id) {
+		if ($params['otype'] === Notify\ObjectType::ITEM && $parent_id) {
 			$item = Item::selectFirstForUser($params['uid'], Item::ITEM_FIELDLIST, ['id' => $parent_id, 'deleted' => false]);
 		}
 
diff --git a/src/Model/Notify.php b/src/Model/Notify.php
index 35d72384e..336b82537 100644
--- a/src/Model/Notify.php
+++ b/src/Model/Notify.php
@@ -31,10 +31,6 @@ use Psr\Log\LoggerInterface;
  */
 class Notify extends BaseModel
 {
-	const OTYPE_ITEM   = 'item';
-	const OTYPE_INTRO  = 'intro';
-	const OTYPE_MAIL   = 'mail';
-	const OTYPE_PERSON = 'person';
 
 	/** @var \Friendica\Repository\Notify */
 	private $repo;
diff --git a/src/Model/Notify/ObjectType.php b/src/Model/Notify/ObjectType.php
new file mode 100644
index 000000000..9fb279adc
--- /dev/null
+++ b/src/Model/Notify/ObjectType.php
@@ -0,0 +1,14 @@
+<?php
+
+namespace Friendica\Model\Notify;
+
+/**
+ * Enum for different otypes of the Notify
+ */
+class ObjectType
+{
+	const PERSON = 'person';
+	const MAIL   = 'mail';
+	const ITEM   = 'item';
+	const INTRO  = 'intro';
+}