diff --git a/application/controllers/cache.php b/application/controllers/cache.php
index 50c1bdf4..a92a435f 100644
--- a/application/controllers/cache.php
+++ b/application/controllers/cache.php
@@ -145,7 +145,7 @@ class Cache extends CI_Controller
             }
             else
             {
-                if ($f!='.' && $f!='..' && (strpos($dir, '/cn/')===false) && (strpos($f, '.pdf')===false) && (strpos($f, '/amp/')===false) )
+                if ($f!='.' && $f!='..' && (strpos($dir, '/cn/')===false) && (strpos($dir, '/amp/')===false) && (strpos($f, '.pdf')===false))
                 {
                     $file_temp = str_ireplace('/index.htm###', '', $f.'###');
                     $file_temp = str_ireplace('###', '', $file_temp);