diff --git a/apps/dav/lib/CardDAV/Activity/Backend.php b/apps/dav/lib/CardDAV/Activity/Backend.php
index 8c8c643e2878f..53639f84f843e 100644
--- a/apps/dav/lib/CardDAV/Activity/Backend.php
+++ b/apps/dav/lib/CardDAV/Activity/Backend.php
@@ -129,7 +129,7 @@ protected function triggerAddressbookActivity(string $action, array $addressbook
 		$event = $this->activityManager->generateEvent();
 		$event->setApp('dav')
 			->setObject('addressbook', (int) $addressbookData['id'])
-			->setType('addressbook')
+			->setType('contacts')
 			->setAuthor($currentUser);
 
 		$changedVisibleInformation = array_intersect([
@@ -188,7 +188,7 @@ public function onAddressbookUpdateShares(array $addressbookData, array $shares,
 		$event = $this->activityManager->generateEvent();
 		$event->setApp('dav')
 			->setObject('addressbook', (int) $addressbookData['id'])
-			->setType('addressbook')
+			->setType('contacts')
 			->setAuthor($currentUser);
 
 		foreach ($remove as $principal) {
@@ -433,7 +433,7 @@ public function triggerCardActivity(string $action, array $addressbookData, arra
 		$event = $this->activityManager->generateEvent();
 		$event->setApp('dav')
 			->setObject('addressbook', (int) $addressbookData['id'])
-			->setType('card')
+			->setType('contacts')
 			->setAuthor($currentUser);
 
 		$users = $this->getUsersForShares($shares);
diff --git a/apps/dav/lib/CardDAV/Activity/Provider/Addressbook.php b/apps/dav/lib/CardDAV/Activity/Provider/Addressbook.php
index be18fba96cc41..0f4acaaa434f9 100644
--- a/apps/dav/lib/CardDAV/Activity/Provider/Addressbook.php
+++ b/apps/dav/lib/CardDAV/Activity/Provider/Addressbook.php
@@ -72,7 +72,7 @@ public function __construct(IFactory $languageFactory,
 	 * @throws \InvalidArgumentException
 	 */
 	public function parse($language, IEvent $event, IEvent $previousEvent = null): IEvent {
-		if ($event->getApp() !== 'dav' || $event->getType() !== 'addressbook') {
+		if ($event->getApp() !== 'dav' || $event->getType() !== 'contacts') {
 			throw new \InvalidArgumentException();
 		}
 
diff --git a/apps/dav/lib/CardDAV/Activity/Provider/Card.php b/apps/dav/lib/CardDAV/Activity/Provider/Card.php
index 9c909ae9bcd27..e2abdda161a16 100644
--- a/apps/dav/lib/CardDAV/Activity/Provider/Card.php
+++ b/apps/dav/lib/CardDAV/Activity/Provider/Card.php
@@ -74,7 +74,7 @@ public function __construct(IFactory $languageFactory,
 	 * @throws \InvalidArgumentException
 	 */
 	public function parse($language, IEvent $event, IEvent $previousEvent = null): IEvent {
-		if ($event->getApp() !== 'dav' || $event->getType() !== 'card') {
+		if ($event->getApp() !== 'dav' || $event->getType() !== 'contacts') {
 			throw new \InvalidArgumentException();
 		}
 
diff --git a/apps/dav/tests/unit/CardDAV/Activity/BackendTest.php b/apps/dav/tests/unit/CardDAV/Activity/BackendTest.php
index dbc2c3550e70d..4f3459233aa2e 100644
--- a/apps/dav/tests/unit/CardDAV/Activity/BackendTest.php
+++ b/apps/dav/tests/unit/CardDAV/Activity/BackendTest.php
@@ -226,7 +226,7 @@ public function testTriggerAddressBookActivity(string $action, array $data, arra
 				->willReturnSelf();
 			$event->expects($this->once())
 				->method('setType')
-				->with('addressbook')
+				->with('contacts')
 				->willReturnSelf();
 			$event->expects($this->once())
 				->method('setAuthor')
@@ -396,7 +396,7 @@ public function testTriggerCardActivity(string $action, array $addressBookData,
 				->willReturnSelf();
 			$event->expects($this->once())
 				->method('setType')
-				->with('card')
+				->with('contacts')
 				->willReturnSelf();
 			$event->expects($this->once())
 				->method('setAuthor')