diff --git a/lib/Db/AssignedLabels.php b/lib/Db/AssignedLabels.php
index 3b59e451a..d49f05f52 100644
--- a/lib/Db/AssignedLabels.php
+++ b/lib/Db/AssignedLabels.php
@@ -34,6 +34,5 @@ class AssignedLabels extends RelationalEntity implements JsonSerializable {
 		$this->addType('id', 'integer');
 		$this->addType('cardId', 'integer');
 		$this->addType('labelId', 'integer');
-
 	}
 }
diff --git a/lib/Db/AssignedLabelsMapper.php b/lib/Db/AssignedLabelsMapper.php
index 85c957e91..121671659 100644
--- a/lib/Db/AssignedLabelsMapper.php
+++ b/lib/Db/AssignedLabelsMapper.php
@@ -29,7 +29,7 @@ use OCP\IDBConnection;
 use OCP\IGroupManager;
 use OCP\IUserManager;
 
-class AssignedLabelsMapper extends DeckMapper  {
+class AssignedLabelsMapper extends DeckMapper {
 	private $cardMapper;
 	private $userManager;
 	/**
@@ -55,5 +55,4 @@ class AssignedLabelsMapper extends DeckMapper  {
 		$labels = $this->findEntities($sql, [$cardId]);
 		return $labels;
 	}
-
 }
diff --git a/lib/Service/StackService.php b/lib/Service/StackService.php
index 33606ec6d..e65e610d4 100644
--- a/lib/Service/StackService.php
+++ b/lib/Service/StackService.php
@@ -425,7 +425,6 @@ class StackService {
 
 		$cards = $this->cardMapper->findAll($id);
 		foreach ($cards as $card) {
-
 			$newCard = new Card();
 			$newCard->setTitle($card->getTitle());
 			$newCard->setStackId($newStack->getId());
@@ -446,11 +445,9 @@ class StackService {
 			);
 
 			if ($boardId === $stack->getBoardId()) {
-
 				$assignedLabels = $this->assignedLabelsMapper->find($card->getId());
 				$newLabelArray = [];
 				foreach ($assignedLabels as $assignedLabel) {
-
 					$assignment = new AssignedLabels();
 					$assignment->setCardId($newCard->getId());
 					$assignment->setLabelId($assignedLabel->getLabelId());
@@ -472,9 +469,7 @@ class StackService {
 					$newUserArray[] = $assignment;
 				}
 				$newCard->setAssignedUsers($newUserArray);
-
 			}
-
 		}
 
 		$this->enrichStackWithCards($newStack);
diff --git a/tests/unit/Service/StackServiceTest.php b/tests/unit/Service/StackServiceTest.php
index 0ec5567ca..d288d7a9f 100644
--- a/tests/unit/Service/StackServiceTest.php
+++ b/tests/unit/Service/StackServiceTest.php
@@ -35,6 +35,7 @@ use OCA\Deck\Db\Stack;
 use OCA\Deck\Db\StackMapper;
 use Symfony\Component\EventDispatcher\EventDispatcherInterface;
 use \Test\TestCase;
+use OCP\IL10N;
 
 /**
  * Class StackServiceTest
@@ -70,6 +71,8 @@ class StackServiceTest extends TestCase {
 	private $changeHelper;
 	/** @var EventDispatcherInterface */
 	private $eventDispatcher;
+	private $l10n;
+	private $userId;
 
 	public function setUp(): void {
 		parent::setUp();
@@ -85,6 +88,9 @@ class StackServiceTest extends TestCase {
 		$this->activityManager = $this->createMock(ActivityManager::class);
 		$this->changeHelper = $this->createMock(ChangeHelper::class);
 		$this->eventDispatcher = $this->createMock(EventDispatcherInterface::class);
+		$this->l10n = $this->createMock(IL10N::class);
+		$this->userId = "admin";
+		
 
 		$this->stackService = new StackService(
 			$this->stackMapper,
@@ -98,7 +104,9 @@ class StackServiceTest extends TestCase {
 			$this->attachmentService,
 			$this->activityManager,
 			$this->eventDispatcher,
-			$this->changeHelper
+			$this->changeHelper,
+			$this->l10n,
+			$this->userId
 		);
 	}