Index: autotimezone.module
===================================================================
--- autotimezone.module	(revision 750)
+++ autotimezone.module	(working copy)
@@ -29,7 +29,7 @@
       'type' => MENU_CALLBACK);
   }
   else {
-    if (!function_exists('throttle_status') || !throttle_status()) { //Don't do anything if the throttle is active.
+    if ((!function_exists('throttle_status') || !throttle_status()) && !$GLOBALS['masquerading']) { //Don't do anything if the throttle is active.
       global $user;
       if ($user->uid != 0 or variable_get('autotimezone_update_guest', 0)) { //If the user is a guest, only continue if guest checking is on.
         //We need to check if the user is a guest and then use the guest session variable.