diff --git a/lib/Controller/APIv2Controller.php b/lib/Controller/APIv2Controller.php
index cc0158019..2703ccc4e 100644
--- a/lib/Controller/APIv2Controller.php
+++ b/lib/Controller/APIv2Controller.php
@@ -184,7 +184,7 @@ protected function get($filter, $since, $limit, $previews, $filterObjectType, $f
 			return new DataResponse([], Http::STATUS_FORBIDDEN);
 		}
 
-		$this->activityManager->setRequirePNG($this->request->isUserAgent([IRequest::USER_AGENT_CLIENT_IOS]));
+		$this->activityManager->setRequirePNG(false);
 		try {
 			$response = $this->data->get(
 				$this->helper,
diff --git a/tests/Controller/APIv1ControllerTest.php b/tests/Controller/APIv1ControllerTest.php
index e7c73c88c..7c5f39fd9 100644
--- a/tests/Controller/APIv1ControllerTest.php
+++ b/tests/Controller/APIv1ControllerTest.php
@@ -208,7 +208,8 @@ public function testGet(string $user, int $start, int $count, array $expected):
 			$this->createMock(IUserSession::class),
 			$config,
 			\OC::$server->query(IValidator::class),
-			$this->createMock(IL10N::class)
+			\OC::$server->query(\OCP\RichObjectStrings\IRichTextFormatter::class),
+			$this->createMock(IL10N::class),
 		);
 		$activityManager->registerProvider(Provider::class);
 		$activityManager->registerSetting(Setting1::class);