diff -rupN imagecache-6.x-2.0-beta10/imagecache.module imagecache-6.x-2.0-beta10_new/imagecache.module
--- imagecache-6.x-2.0-beta10/imagecache.module	2009-08-20 06:59:07.000000000 +1000
+++ imagecache-6.x-2.0-beta10_new/imagecache.module	2009-08-31 17:44:13.671875000 +1000
@@ -313,6 +313,8 @@ function imagecache_create_url($presetna
   $path = _imagecache_strip_file_directory($filepath);
   if (module_exists('transliteration')) {
     $path = transliteration_get($path);
+  } else {
+    $path = urlencode($path);
   }
 
   $args = array('absolute' => TRUE, 'query' => empty($bypass_browser_cache) ? NULL : time());