diff --git a/lms/djangoapps/courseware/module_render.py b/lms/djangoapps/courseware/module_render.py
index 7ad8d5e441..d764091ccf 100644
--- a/lms/djangoapps/courseware/module_render.py
+++ b/lms/djangoapps/courseware/module_render.py
@@ -142,7 +142,8 @@ def get_module(user, request, location, student_module_cache, position=None):
     ajax_url = settings.MITX_ROOT_URL + '/modx/' + descriptor.location.url() + '/'
 
     # Fully qualified callback URL for xqueue
-    xqueue_callback_url = (request.build_absolute_uri('/') + settings.MITX_ROOT_URL + 
+    #xqueue_callback_url = (request.build_absolute_uri('/') + settings.MITX_ROOT_URL +  # TODO: build_absolute_uri on sandbox instance returns 127.0.0.1
+    xqueue_callback_url = ('http://18.189.52.120:8000/' + settings.MITX_ROOT_URL +      # Sandbox URL
                           'xqueue/' + str(user.id) + '/' + descriptor.location.url() + '/' + 
                           'score_update')
 
@@ -231,7 +232,7 @@ def xqueue_callback(request, userid, id, dispatch):
 
     # Transfer 'queuekey' from xqueue response header to 'get'. This is required to
     #   use the interface defined by 'handle_ajax'
-    get.update({'queuekey': header['queuekey']})
+    get.update({'queuekey': header['lms_key']})
 
     # We go through the "AJAX" path
     #   So far, the only dispatch from xqueue will be 'score_update'