diff --git a/Sources/Actions/Admin/Mail.php b/Sources/Actions/Admin/Mail.php
index 1ed4073adc..0005c68c10 100644
--- a/Sources/Actions/Admin/Mail.php
+++ b/Sources/Actions/Admin/Mail.php
@@ -153,10 +153,10 @@ public function browse(): void
 			'default_sort_col' => 'age',
 			'no_items_label' => Lang::$txt['mailqueue_no_items'],
 			'get_items' => array(
-				'function' => 'list_getMailQueue',
+				'function' => __CLASS__ . '::list_getMailQueue',
 			),
 			'get_count' => array(
-				'function' => 'list_getMailQueueSize',
+				'function' => __CLASS__ . '::list_getMailQueueSize',
 			),
 			'columns' => array(
 				'subject' => array(
diff --git a/Sources/Actions/Moderation/Posts.php b/Sources/Actions/Moderation/Posts.php
index 470402b681..cc3cf73a57 100644
--- a/Sources/Actions/Moderation/Posts.php
+++ b/Sources/Actions/Moderation/Posts.php
@@ -560,13 +560,13 @@ public function attachments(): void
 			'base_href' => Config::$scripturl . '?action=moderate;area=attachmod;sa=attachments',
 			'default_sort_col' => 'attach_name',
 			'get_items' => array(
-				'function' => 'list_getUnapprovedAttachments',
+				'function' => __CLASS__ . '::list_getUnapprovedAttachments',
 				'params' => array(
 					$approve_query,
 				),
 			),
 			'get_count' => array(
-				'function' => 'list_getNumUnapprovedAttachments',
+				'function' => __CLASS__ . '::list_getNumUnapprovedAttachments',
 				'params' => array(
 					$approve_query,
 				),
diff --git a/Sources/Actions/Moderation/WatchedUsers.php b/Sources/Actions/Moderation/WatchedUsers.php
index 3b3313c381..f1e4b30b62 100644
--- a/Sources/Actions/Moderation/WatchedUsers.php
+++ b/Sources/Actions/Moderation/WatchedUsers.php
@@ -118,14 +118,14 @@ public function execute(): void
 			'base_href' => Config::$scripturl . '?action=moderate;area=userwatch;sa=' . (Utils::$context['view_posts'] ? 'post' : 'member'),
 			'default_sort_col' => Utils::$context['view_posts'] ? '' : 'member',
 			'get_items' => array(
-				'function' => Utils::$context['view_posts'] ? 'list_getWatchedUserPosts' : 'list_getWatchedUsers',
+				'function' => Utils::$context['view_posts'] ? __CLASS__ . '::list_getWatchedUserPosts' : __CLASS__ . '::list_getWatchedUsers',
 				'params' => array(
 					$approve_query,
 					$delete_boards,
 				),
 			),
 			'get_count' => array(
-				'function' => Utils::$context['view_posts'] ? 'list_getWatchedUserPostsCount' : 'list_getWatchedUserCount',
+				'function' => Utils::$context['view_posts'] ? 'list_getWatchedUserPostsCount' : __CLASS__ . '::list_getWatchedUserCount',
 				'params' => array(
 					$approve_query,
 				),
diff --git a/Sources/Actions/TrackIP.php b/Sources/Actions/TrackIP.php
index 596871f2e6..08bee8c635 100644
--- a/Sources/Actions/TrackIP.php
+++ b/Sources/Actions/TrackIP.php
@@ -164,14 +164,14 @@ public function execute(): void
 			'base_href' => Utils::$context['base_url'] . ';searchip=' . Utils::$context['ip'],
 			'default_sort_col' => 'date',
 			'get_items' => array(
-				'function' => 'list_getIPMessages',
+				'function' => __CLASS__ . '::list_getIPMessages',
 				'params' => array(
 					'm.poster_ip >= ' . $ip_string[0] . ' and m.poster_ip <= ' . $ip_string[1],
 					$fields,
 				),
 			),
 			'get_count' => array(
-				'function' => 'list_getIPMessageCount',
+				'function' => __CLASS__ . '::list_getIPMessageCount',
 				'params' => array(
 					'm.poster_ip >= ' . $ip_string[0] . ' and m.poster_ip <= ' . $ip_string[1],
 					$fields,
diff --git a/Sources/PackageManager/SubsPackage.php b/Sources/PackageManager/SubsPackage.php
index 06ebbf576c..2985d0ade7 100644
--- a/Sources/PackageManager/SubsPackage.php
+++ b/Sources/PackageManager/SubsPackage.php
@@ -565,7 +565,7 @@ public static function create_chmod_control($chmodFiles = array(), $chmodOptions
 				'id' => 'restore_file_permissions',
 				'title' => Lang::$txt['package_restore_permissions'],
 				'get_items' => array(
-					'function' => array(__CLASS__, 'list_restoreFiles'),
+					'function' => __CLASS__ . '::list_restoreFiles',
 					'params' => array(
 						!empty($_POST['restore_perms']),
 					),