diff --git a/base.php b/base.php
index 26271e8..487279f 100644
--- a/base.php
+++ b/base.php
@@ -622,10 +622,20 @@ abstract class Base
     const COMPATIBILITY_XML_ALDIKO = "aldiko";
     
     private static $db = NULL;
-    
-    public static function getDbFileName () {
+  
+    public static function getDbDirectory () {
         global $config;
-        return $config['calibre_directory'] .'metadata.db';
+        if (is_array ($config['calibre_directory'])) {
+            $database = GetUrlParam ("database", 0);
+            $array = array_values ($config['calibre_directory']);
+            return  $array[$database];
+        }
+        return $config['calibre_directory'];
+    }
+
+  
+    public static function getDbFileName () {
+        return self::getDbDirectory () .'metadata.db';
     }
     
     public static function getDb () {
diff --git a/book.php b/book.php
index e573ccb..c37e187 100644
--- a/book.php
+++ b/book.php
@@ -72,7 +72,7 @@ class Book extends Base {
         $this->title = $line->title;
         $this->timestamp = strtotime ($line->timestamp);
         $this->pubdate = strtotime ($line->pubdate);
-        $this->path = $config['calibre_directory'] . $line->path;
+        $this->path = Base::getDbDirectory () . $line->path;
         $this->relativePath = $line->path;
         $this->seriesIndex = $line->series_index;
         $this->comment = $line->comment;
diff --git a/data.php b/data.php
index cdd05d5..3602314 100644
--- a/data.php
+++ b/data.php
@@ -117,8 +117,8 @@ class Data extends Base {
             $textData = "&data=" . $idData;
         }
         
-        if (preg_match ('/^\//', $config['calibre_directory']) || // Linux /
-            preg_match ('/^\w\:/', $config['calibre_directory']) || // Windows X:
+        if (preg_match ('/^\//', Base::getDbDirectory ()) || // Linux /
+            preg_match ('/^\w\:/', Base::getDbDirectory ()) || // Windows X:
             ($type == "epub" && $config['cops_update_epub-metadata']))
         {
             if ($type != "jpg") $textData .= "&type=" . $type;
diff --git a/fetch.php b/fetch.php
index bbde6fd..855f3fd 100644
--- a/fetch.php
+++ b/fetch.php
@@ -100,7 +100,7 @@
     
     $dir = $config['calibre_internal_directory'];
     if (empty ($config['calibre_internal_directory'])) {
-        $dir = $config['calibre_directory'];
+        $dir = Base::getDbDirectory ();
     }
     
     if (empty ($config['cops_x_accel_redirect'])) {