diff -r 5c807fe77020 -r 68060328e9c6 plugins/admin/PluginManager.php
--- a/plugins/admin/PluginManager.php	Sun Jan 11 21:37:49 2009 -0500
+++ b/plugins/admin/PluginManager.php	Wed Jan 14 20:33:05 2009 -0500
@@ -123,7 +123,7 @@
   if ( $paths->getParam(0) == 'action.json' )
   {
     // Set to application/json to discourage advertisement scripts
-    header('Content-Type: application/json');
+    header('Content-Type: text/javascript');
     
     // Init return data
     $return = array('mode' => 'error', 'error' => 'undefined');