--- /dev/null
+diff --git a/renderer.php b/renderer.php
+index 6aba3f3..a899e62 100644
+--- a/renderer.php
++++ b/renderer.php
+@@ -16,6 +16,7 @@ require_once DOKU_INC.'inc/ZipLib.class.php';
+ * The Renderer
+ */
+ class renderer_plugin_odt extends Doku_Renderer {
++ var $info = array("cache"=> false);
+ var $ZIP = null;
+ var $meta;
+ var $store = '';
+@@ -136,12 +137,9 @@ class renderer_plugin_odt extends Doku_Renderer {
+
+ $this->_odtMeta();
+
+- // store the content type headers in metadata
+- $headers = array(
+- 'Content-Type' => 'application/vnd.oasis.opendocument.text',
+- 'Content-Disposition' => 'attachment; filename="'.noNS($ID).'.odt";'
+- );
+- p_set_metadata($ID,array('format' => array('odt' => $headers) ));
++ // send the content type header
++ header('Content-Type: application/vnd.oasis.opendocument.text');
++ header('Content-Disposition: attachment; filename="'.str_replace(':','-',$ID).'.odt";');
+ }
+
+ /**