diff --git a/controllers/class.ClearCache.php b/controllers/class.ClearCache.php
index 116079dfd..b91f51791 100644
--- a/controllers/class.ClearCache.php
+++ b/controllers/class.ClearCache.php
@@ -45,8 +45,8 @@ class SeedDMS_Controller_ClearCache extends SeedDMS_Controller_Common {
 		}
 
 		if(!empty($post['js'])) {
-			$cmd = 'rm -rf '.addDirSep($settings->_cacheDir).'js'.DIRECTORY_SEPARATOR.'*';
-			system($cmd, $ret);
+			/* system('rm ...') does not work anymore if the number of files is too large */
+			array_map('unlink', array_filter((array) glob(addDirSep($settings->_cacheDir).'js'.DIRECTORY_SEPARATOR.'*')));
 		}
 
 		if(false === $this->callHook('clear', $post)) {