diff --git a/cfp/views.py b/cfp/views.py
index 510f103..88a217f 100644
--- a/cfp/views.py
+++ b/cfp/views.py
@@ -422,14 +422,12 @@ def proposal_talk_edit(request, speaker, talk_id=None):
     })
 
 
-# NO WAY WE DON'T WANT SPEAKER TO BE AUTHENTICATED HERE!
-#@speaker_required
-def proposal_talk_acknowledgment(request, speaker_token, talk_id, confirm):
+@speaker_required
+def proposal_talk_acknowledgment(request, speaker, talk_id, confirm):
     # TODO: handle multiple speakers case
-    talk = get_object_or_404(Talk, site=request.conference.site, speakers__token=speaker_token, pk=talk_id)
-    speaker = get_object_or_404(Participant, site=request.conference.site, token=speaker_token)
-    #if not request.conference.disclosed_acceptances or not talk.accepted:
-    #    raise PermissionDenied
+    talk = get_object_or_404(Talk, site=request.conference.site, speakers__pk=speaker.pk, pk=talk_id)
+    if not request.conference.disclosed_acceptances or not talk.accepted:
+        raise PermissionDenied
     if talk.confirmed == confirm:
         if confirm:
             messages.warning(request, _('You already confirmed your participation to this talk.'))