diff --git a/appinfo/routes.php b/appinfo/routes.php
index 5a8fac49..0afbc269 100644
--- a/appinfo/routes.php
+++ b/appinfo/routes.php
@@ -1,4 +1,5 @@
 <?php
+declare(strict_types=1);
 /**
  * @author Joas Schilling <coding@schilljs.com>
  *
diff --git a/lib/AppInfo/Application.php b/lib/AppInfo/Application.php
index cb1e164f..7786ab6a 100644
--- a/lib/AppInfo/Application.php
+++ b/lib/AppInfo/Application.php
@@ -27,7 +27,5 @@
 class Application extends App {
 	public function __construct (array $urlParams = array()) {
 		parent::__construct('survey_client', $urlParams);
-
-		$this->getContainer()->registerAlias('EndpointController', 'OCA\Survey_Client\Controller\EndpointController');
 	}
 }
diff --git a/lib/Collector.php b/lib/Collector.php
index af70d3df..dfad9a34 100644
--- a/lib/Collector.php
+++ b/lib/Collector.php
@@ -31,6 +31,7 @@
 use OCA\Survey_Client\Categories\Server;
 use OCA\Survey_Client\Categories\Stats;
 use OCP\AppFramework\Http;
+use OCP\AppFramework\Http\DataResponse;
 use OCP\Http\Client\IClientService;
 use OCP\IConfig;
 use OCP\IDBConnection;
@@ -151,9 +152,9 @@ public function getReport() {
 	}
 
 	/**
-	 * @return \OC\OCS\Result
+	 * @return DataResponse
 	 */
-	public function sendReport() {
+	public function sendReport(): DataResponse {
 		$report = $this->getReport();
 
 		$client = $this->clientService->newClient();
@@ -166,7 +167,7 @@ public function sendReport() {
 				],
 			]);
 		} catch (\Exception $e) {
-			return new \OC\OCS\Result(
+			return new DataResponse(
 				$report,
 				Http::STATUS_INTERNAL_SERVER_ERROR
 			);
@@ -175,13 +176,12 @@ public function sendReport() {
 		if ($response->getStatusCode() === Http::STATUS_OK) {
 			$this->config->setAppValue('survey_client', 'last_sent', time());
 			$this->config->setAppValue('survey_client', 'last_report', json_encode($report));
-			return new \OC\OCS\Result(
-				$report,
-				100// HTTP::STATUS_OK, TODO: <status>failure</status><statuscode>200</statuscode>
+			return new DataResponse(
+				$report
 			);
 		}
 
-		return new \OC\OCS\Result(
+		return new DataResponse(
 			$report,
 			Http::STATUS_INTERNAL_SERVER_ERROR
 		);
diff --git a/lib/Controller/EndpointController.php b/lib/Controller/EndpointController.php
index bff98956..b6ff563d 100644
--- a/lib/Controller/EndpointController.php
+++ b/lib/Controller/EndpointController.php
@@ -1,4 +1,5 @@
 <?php
+declare(strict_types=1);
 /**
  * @author Joas Schilling <coding@schilljs.com>
  *
@@ -22,13 +23,15 @@
 namespace OCA\Survey_Client\Controller;
 
 use OCA\Survey_Client\Collector;
-use OCP\AppFramework\Controller;
-use OCP\AppFramework\Http;
+
+use OCP\AppFramework\Http\DataResponse;
+use OCP\AppFramework\OCSController;
 use OCP\BackgroundJob\IJobList;
 use OCP\IRequest;
 use OCP\Notification\IManager;
+use OCA\Survey_Client\BackgroundJobs\MonthlyReport;
 
-class EndpointController extends Controller {
+class EndpointController extends OCSController {
 
 	/** @var Collector */
 	protected $collector;
@@ -46,7 +49,11 @@ class EndpointController extends Controller {
 	 * @param IJobList $jobList
 	 * @param IManager $manager
 	 */
-	public function __construct($appName, IRequest $request, Collector $collector, IJobList $jobList, IManager $manager) {
+	public function __construct(string $appName,
+								IRequest $request,
+								Collector $collector,
+								IJobList $jobList,
+								IManager $manager) {
 		parent::__construct($appName, $request);
 
 		$this->collector = $collector;
@@ -55,35 +62,35 @@ public function __construct($appName, IRequest $request, Collector $collector, I
 	}
 
 	/**
-	 * @return \OC\OCS\Result
+	 * @return DataResponse
 	 */
-	public function enableMonthly() {
-		$this->jobList->add('OCA\Survey_Client\BackgroundJobs\MonthlyReport');
+	public function enableMonthly(): DataResponse {
+		$this->jobList->add(MonthlyReport::class);
 
 		$notification = $this->manager->createNotification();
 		$notification->setApp('survey_client');
 		$this->manager->markProcessed($notification);
 
-		return new \OC\OCS\Result();
+		return new DataResponse();
 	}
 
 	/**
-	 * @return \OC\OCS\Result
+	 * @return DataResponse
 	 */
-	public function disableMonthly() {
-		$this->jobList->remove('OCA\Survey_Client\BackgroundJobs\MonthlyReport');
+	public function disableMonthly(): DataResponse {
+		$this->jobList->remove(MonthlyReport::class);
 
 		$notification = $this->manager->createNotification();
 		$notification->setApp('survey_client');
 		$this->manager->markProcessed($notification);
 
-		return new \OC\OCS\Result();
+		return new DataResponse();
 	}
 
 	/**
-	 * @return \OC\OCS\Result
+	 * @return DataResponse
 	 */
-	public function sendReport() {
+	public function sendReport(): DataResponse {
 		return $this->collector->sendReport();
 	}
 }