--- boost.module
+++ (clipboard)
@@ -656,11 +656,10 @@
     boost_redirect_handler($destination);
   }
 
-  // Check that hook_exit() was invoked by drupal_goto() for a POST request:
+  // Check that hook_exit() was invoked by drupal_goto():
   // Check that we're dealing with an anonymous visitor. and that some
   // session messages have actually been set during this page request:
   if (   !empty($destination)
-      && $_SERVER['REQUEST_METHOD'] == 'POST'
       && empty($user->uid)
       && $messages = drupal_set_message()
           ) {