diff --git a/resources/classes/cache.php b/resources/classes/cache.php
index e78824d82..a3f242bc2 100644
--- a/resources/classes/cache.php
+++ b/resources/classes/cache.php
@@ -137,6 +137,11 @@ class cache {
 			closelog();
 		}
 
+		//key is required return false if empty
+		if (empty($key)) {
+			return false;
+		}
+
 		//cache method memcache
 		if ($this->method === "memcache") {
 			//connect to event socket
@@ -211,6 +216,11 @@ class cache {
 			apcu_clear_cache();
 		}
 
+		//remove the autoloader file cache
+		if (file_exists(sys_get_temp_dir() . '/' . auto_loader::CLASSES_FILE)) {
+			@unlink(sys_get_temp_dir() . '/' . auto_loader::CLASSES_FILE);
+		}
+
 		//cache method memcache
 		if ($this->method === "memcache") {
 			// connect to event socket