1 files changed, 2 insertions, 1 deletions

diff --git a/type/Default.class.php b/type/Default.class.php
index 07e17aa..e3997de 100644
--- a/type/Default.class.php
+++ b/type/Default.class.php
@@ -128,7 +128,8 @@ class Type_Default {
         function file2identifier($files) {
                 foreach($files as $key => $file) {
                         if (is_file($file)) {
-                                $files[$key] = basename($files[$key], '.rrd');
+                                $files[$key] = preg_replace("#^$this->datadir/#u", '', $files[$key]);
+                                $files[$key] = preg_replace('#\.rrd$#', '', $files[$key]);
                         }
                 }