diff --git a/include/cron.php b/include/cron.php
index 008260592f..d7771c08b8 100644
--- a/include/cron.php
+++ b/include/cron.php
@@ -362,14 +362,14 @@ function cron_clear_cache(&$a) {
 	clear_cache();
 
 	// clear cache for photos
-	clear_cache(App::get_basepath(), App::get_basepath()."/photo");
+	clear_cache($a->get_basepath(), $a->get_basepath()."/photo");
 
 	// clear smarty cache
-	clear_cache(App::get_basepath()."/view/smarty3/compiled", App::get_basepath()."/view/smarty3/compiled");
+	clear_cache($a->get_basepath()."/view/smarty3/compiled", $a->get_basepath()."/view/smarty3/compiled");
 
 	// clear cache for image proxy
 	if (!get_config("system", "proxy_disabled")) {
-		clear_cache(App::get_basepath(), App::get_basepath()."/proxy");
+		clear_cache($a->get_basepath(), $a->get_basepath()."/proxy");
 
 		$cachetime = get_config('system','proxy_cache_time');
 		if (!$cachetime) $cachetime = PROXY_DEFAULT_TIME;
diff --git a/mod/proxy.php b/mod/proxy.php
index 1d27d70384..612dc910a0 100644
--- a/mod/proxy.php
+++ b/mod/proxy.php
@@ -267,7 +267,7 @@ function proxy_url($url, $writemode = false, $size = '') {
 	$url = html_entity_decode($url, ENT_NOQUOTES, 'utf-8');
 
 	// Creating a sub directory to reduce the amount of files in the cache directory
-	$basepath = App::get_basepath() . '/proxy';
+	$basepath = $a->get_basepath() . '/proxy';
 
 	$shortpath = hash('md5', $url);
 	$longpath = substr($shortpath, 0, 2);