more tests for activity generation

[quix0rs-gnu-social.git] / classes / File.php

diff --git a/classes/File.php b/classes/File.php
index 8297e5091046ec4debf714718ad9e850bcf7229d..0f230a6ee5c56519947bbaa78c2b3ef8d9d56f62 100644 (file)
--- a/classes/File.php
+++ b/classes/File.php
@@ -302,7 +302,10 @@ class File extends Memcached_DataObject
 
         if(! isset($this->filename)){
             $notEnclosureMimeTypes = array(null,'text/html','application/xhtml+xml');
-            $mimetype = strtolower($this->mimetype);
+            $mimetype = $this->mimetype;
+            if($mimetype != null){
+                $mimetype = strtolower($this->mimetype);
+            }
             $semicolon = strpos($mimetype,';');
             if($semicolon){
                 $mimetype = substr($mimetype,0,$semicolon);