diff --git a/lib/Activity/DeckProvider.php b/lib/Activity/DeckProvider.php
index f18842f48..8dbff70e1 100644
--- a/lib/Activity/DeckProvider.php
+++ b/lib/Activity/DeckProvider.php
@@ -9,6 +9,7 @@
 
 use OCA\Deck\Db\Acl;
 use OCA\Deck\Service\CardService;
+use OCA\Deck\Service\CirclesService;
 use OCP\Activity\IEvent;
 use OCP\Activity\IProvider;
 use OCP\Comments\IComment;
@@ -38,7 +39,10 @@ class DeckProvider implements IProvider {
 	/** @var CardService */
 	private $cardService;
 
-	public function __construct(IURLGenerator $urlGenerator, ActivityManager $activityManager, IUserManager $userManager, ICommentsManager $commentsManager, IFactory $l10n, IConfig $config, $userId, CardService $cardService) {
+	/** @var CirclesService */
+	private $circlesService;
+
+	public function __construct(IURLGenerator $urlGenerator, ActivityManager $activityManager, IUserManager $userManager, ICommentsManager $commentsManager, IFactory $l10n, IConfig $config, $userId, CardService $cardService, CirclesService $circlesService) {
 		$this->userId = $userId;
 		$this->urlGenerator = $urlGenerator;
 		$this->activityManager = $activityManager;
@@ -47,6 +51,7 @@ public function __construct(IURLGenerator $urlGenerator, ActivityManager $activi
 		$this->l10nFactory = $l10n;
 		$this->config = $config;
 		$this->cardService = $cardService;
+		$this->circlesService = $circlesService;
 	}
 
 	/**
@@ -275,6 +280,17 @@ private function parseParamForAcl($subjectParams, $params) {
 					'id' => $subjectParams['acl']['participant'],
 					'name' => $user !== null ? $user->getDisplayName() : $subjectParams['acl']['participant']
 				];
+			} elseif ($subjectParams['acl']['type'] === Acl::PERMISSION_TYPE_CIRCLE) {
+				$circle = $this->circlesService->getCircle($subjectParams['acl']['participant']);
+
+				// suppressing psalm because $circle is typed as Circle|null but psalm doesnt know about the OCA class
+				// $circle->getName() will be defined when $circle is not null
+				/** @psalm-suppress UndefinedMethod */
+				$params['acl'] = [
+					'type' => 'highlight',
+					'id' => $subjectParams['acl']['participant'],
+					'name' => $circle ? $circle->getName() : $subjectParams['acl']['participant']
+				];
 			} else {
 				$params['acl'] = [
 					'type' => 'highlight',
diff --git a/tests/unit/Activity/DeckProviderTest.php b/tests/unit/Activity/DeckProviderTest.php
index c82520087..2f7946f87 100644
--- a/tests/unit/Activity/DeckProviderTest.php
+++ b/tests/unit/Activity/DeckProviderTest.php
@@ -28,6 +28,7 @@
 use OCA\Deck\Db\Acl;
 use OCA\Deck\Db\Card;
 use OCA\Deck\Service\CardService;
+use OCA\Deck\Service\CirclesService;
 use OCP\Activity\IEvent;
 use OCP\Comments\IComment;
 use OCP\Comments\ICommentsManager;
@@ -67,6 +68,9 @@ class DeckProviderTest extends TestCase {
 	/** @var CardService|MockObject */
 	private $cardService;
 
+	/** @var CirclesService|MockObject */
+	private $circlesService;
+
 	/** @var string */
 	private $userId = 'admin';
 
@@ -79,7 +83,8 @@ public function setUp(): void {
 		$this->l10nFactory = $this->createMock(IFactory::class);
 		$this->config = $this->createMock(IConfig::class);
 		$this->cardService = $this->createMock(CardService::class);
-		$this->provider = new DeckProvider($this->urlGenerator, $this->activityManager, $this->userManager, $this->commentsManager, $this->l10nFactory, $this->config, $this->userId, $this->cardService);
+		$this->circlesService = $this->createMock(CirclesService::class);
+		$this->provider = new DeckProvider($this->urlGenerator, $this->activityManager, $this->userManager, $this->commentsManager, $this->l10nFactory, $this->config, $this->userId, $this->cardService, $this->circlesService);
 
 		$this->activityManager->method('canSeeCardActivity')->willReturn(true);
 		$this->activityManager->method('canSeeBoardActivity')->willReturn(true);
diff --git a/tests/unit/Notification/NotificationHelperTest.php b/tests/unit/Notification/NotificationHelperTest.php
index 30483f11a..3ac7d3c78 100644
--- a/tests/unit/Notification/NotificationHelperTest.php
+++ b/tests/unit/Notification/NotificationHelperTest.php
@@ -50,7 +50,7 @@ public function __construct($uid) {
 		$this->uid = $uid;
 	}
 
-	public function getUID() {
+	public function getUID():string {
 		return $this->uid;
 	}
 }