diff --git a/lib/controller/contactphotocontroller.php b/lib/controller/contactphotocontroller.php
index 15e9dfd1..04bdf32a 100644
--- a/lib/controller/contactphotocontroller.php
+++ b/lib/controller/contactphotocontroller.php
@@ -26,7 +26,7 @@ class ContactPhotoController extends Controller {
 	/**
 	 * @var \OCP\ICache
 	 */
-	$cache;
+	protected $cache;
 
 	public function __construct($appName, IRequest $request, App $app, ICache $cache) {
 		parent::__construct($appName, $request, $app);
diff --git a/lib/utils/temporaryphoto.php b/lib/utils/temporaryphoto.php
index fc7f7568..5ab99352 100644
--- a/lib/utils/temporaryphoto.php
+++ b/lib/utils/temporaryphoto.php
@@ -41,7 +41,7 @@ class TemporaryPhoto {
 	/**
 	 * @var \OCP\ICache
 	 */
-	$cache;
+	protected $cache;
 
 	/**
 	* @var \OCP\Image