diff --git a/Makefile b/Makefile
index 7d2e686..cf4ccf0 100644
--- a/Makefile
+++ b/Makefile
@@ -159,7 +159,7 @@ test-php-phan: vendor-bin/phan/vendor
 .PHONY: test-php-phpstan
 test-php-phpstan: ## Run phpstan
 test-php-phpstan: vendor-bin/phpstan/vendor
-	$(PHPSTAN) analyse --memory-limit=4G --configuration=./phpstan.neon --no-progress --level=5 appinfo lib
+	$(PHPSTAN) analyse --memory-limit=4G --configuration=./phpstan.neon --no-progress --level=5 appinfo controller lib
 
 .PHONY: test-acceptance-api
 test-acceptance-api: ## Run API acceptance tests
diff --git a/controller/logoutcontroller.php b/controller/logoutcontroller.php
index 6e31e85..b44eda4 100644
--- a/controller/logoutcontroller.php
+++ b/controller/logoutcontroller.php
@@ -14,6 +14,7 @@
 use OCP\IUserManager;
 use OCP\IUserSession;
 use Symfony\Component\EventDispatcher\EventDispatcher;
+use Symfony\Component\EventDispatcher\EventDispatcherInterface;
 use Symfony\Component\EventDispatcher\GenericEvent;
 
 class LogoutController extends Controller {
@@ -25,10 +26,9 @@ class LogoutController extends Controller {
 	private $logger;
 	/** @var ISession  */
 	private $session;
-	/** @var EventDispatcher  */
+	/** @var EventDispatcher|EventDispatcherInterface  */
 	private $eventDispatcher;
 	private $tokenProvider;
-	private $ocUserSession;
 	private $util;
 
 	/**
@@ -42,7 +42,8 @@ class LogoutController extends Controller {
 	 * @param IUserSession $userSession
 	 * @param ILogger $logger
 	 * @param ISession $session
-	 * @param EventDispatcher $eventDispatcher
+	 * @param DefaultTokenProvider $tokenProvider
+	 * @param Util $util
 	 */
 
 	public function __construct(
@@ -100,7 +101,7 @@ public function logoutcontroller(GenericEvent $event) {
 			$stopEvent = new GenericEvent(null, ['impersonator' => $impersonator, 'targetUser' => $currentUser]);
 			$this->logger->info("Switching back to previous user $impersonator", ['app' => 'impersonate']);
 			$event->setArgument('cancel', true);
-			$this->eventDispatcher->dispatch('user.afterimpersonatelogout', $stopEvent);
+			$this->eventDispatcher->dispatch($stopEvent, 'user.afterimpersonatelogout');
 		}
 
 		return new JSONResponse();
diff --git a/controller/settingscontroller.php b/controller/settingscontroller.php
index 0ed2d10..b699b77 100644
--- a/controller/settingscontroller.php
+++ b/controller/settingscontroller.php
@@ -27,6 +27,7 @@
 use OCP\IUserManager;
 use OCP\IUserSession;
 use Symfony\Component\EventDispatcher\EventDispatcher;
+use Symfony\Component\EventDispatcher\EventDispatcherInterface;
 use Symfony\Component\EventDispatcher\GenericEvent;
 
 class SettingsController extends Controller {
@@ -53,7 +54,7 @@ class SettingsController extends Controller {
 	private $ocUserSession;
 	/** @var \OCA\Impersonate\Util  */
 	private $util;
-	/** @var EventDispatcher  */
+	/** @var EventDispatcher|EventDispatcherInterface  */
 	private $eventDispatcher;
 
 	/**
@@ -95,7 +96,7 @@ public function __construct(
 		$this->l = $l10n;
 		$this->tokenProvider = $tokenProvider;
 		$this->ocUserSession = \OC::$server->getUserSession();
-		$this->util = new Util($this->session, $this->ocUserSession, $this->request, $tokenProvider);
+		$this->util = new Util($this->session, $this->ocUserSession, $this->request, $this->tokenProvider);
 		$this->eventDispatcher = \OC::$server->getEventDispatcher();
 	}
 
@@ -135,7 +136,7 @@ private function impersonateUser($impersonator, $target, $user) {
 		$this->logger->info("User $impersonator impersonated user $target", ['app' => 'impersonate']);
 		$this->util->switchUser($user, $impersonator);
 		$startEvent = new GenericEvent(null, ['impersonator' => $impersonator, 'targetUser' => $target]);
-		$this->eventDispatcher->dispatch('user.afterimpersonate', $startEvent);
+		$this->eventDispatcher->dispatch($startEvent, 'user.afterimpersonate');
 		return new JSONResponse();
 	}
 
diff --git a/phpstan.neon b/phpstan.neon
index 4e65724..a8585bb 100644
--- a/phpstan.neon
+++ b/phpstan.neon
@@ -5,3 +5,9 @@ parameters:
   excludePaths:
     - %currentWorkingDirectory%/appinfo/routes.php
   ignoreErrors:
+    -
+      message: '#Property OCA\\Impersonate\\Controller\\LogoutController::\$tokenProvider is never read, only written.#'
+      path: controller/logoutcontroller.php
+    -
+      message: '#Parameter \#3 \$default of method OCP\\IAppConfig::getValue\(\) expects string\|null, false given.#'
+      path: controller/settingscontroller.php