Index: fivestar.module
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/fivestar/fivestar.module,v
retrieving revision 1.13.2.27
diff -u -r1.13.2.27 fivestar.module
--- fivestar.module	23 Apr 2008 06:53:47 -0000	1.13.2.27
+++ fivestar.module	27 Apr 2008 20:56:47 -0000
@@ -575,7 +575,8 @@
  */
 function fivestar_preview_color() {
   $args = func_get_args();
-  $filename = array_pop($args);
+  // Remove query string if it gets passed in as argument.
+  $filename = preg_replace('/\?.*$/', '', array_pop($args));
   $type = array_pop($args);
   $widget = array_pop($args);