diff --git a/lib/Service/BoardService.php b/lib/Service/BoardService.php
index 0f3482fee..072f7c1f5 100644
--- a/lib/Service/BoardService.php
+++ b/lib/Service/BoardService.php
@@ -157,10 +157,10 @@ class BoardService {
 			'F1DB50' => $this->l10n->t('Later')
 		];
 		$labels = [];
-		foreach ($default_labels as $color => $title) {
+		foreach ($default_labels as $labelColor => $labelTitle) {
 			$label = new Label();
-			$label->setColor($color);
-			$label->setTitle($title);
+			$label->setColor($labelColor);
+			$label->setTitle($labelTitle);
 			$label->setBoardId($new_board->getId());
 			$labels[] = $this->labelMapper->insert($label);
 		}
diff --git a/lib/Service/PermissionService.php b/lib/Service/PermissionService.php
index 5d301456c..f32748356 100644
--- a/lib/Service/PermissionService.php
+++ b/lib/Service/PermissionService.php
@@ -89,7 +89,7 @@ class PermissionService {
 	/**
 	 * Get current user permissions for a board
 	 *
-	 * @param Board $board
+	 * @param Board|Entity $board
 	 * @return array|bool
 	 * @internal param $boardId
 	 */
diff --git a/lib/Service/StackService.php b/lib/Service/StackService.php
index b80cba14e..2e8155068 100644
--- a/lib/Service/StackService.php
+++ b/lib/Service/StackService.php
@@ -41,8 +41,16 @@ class StackService {
 	private $labelMapper;
 	private $permissionService;
 	private $boardService;
+	private $assignedUsersMapper;
 
-	public function __construct(StackMapper $stackMapper, CardMapper $cardMapper, LabelMapper $labelMapper, PermissionService $permissionService, BoardService $boardService, AssignedUsersMapper $assignedUsersMapper) {
+	public function __construct(
+		StackMapper $stackMapper,
+		CardMapper $cardMapper,
+		LabelMapper $labelMapper,
+		PermissionService $permissionService,
+		BoardService $boardService,
+		AssignedUsersMapper $assignedUsersMapper
+	) {
 		$this->stackMapper = $stackMapper;
 		$this->cardMapper = $cardMapper;
 		$this->labelMapper = $labelMapper;