diff --git a/authentic2_idp_ltpa/views.py b/authentic2_idp_ltpa/views.py
index 57dc893..bd10885 100644
--- a/authentic2_idp_ltpa/views.py
+++ b/authentic2_idp_ltpa/views.py
@@ -36,5 +36,6 @@ def logout(request):
     next_url = urlparse.urljoin(settings.STATIC_URL, 'authentic2/images/ok.png')
     response = HttpResponseRedirect(next_url)
     domain = app_settings.COOKIE_DOMAIN or request.META['HTTP_HOST'].split(':')[0]
-    response.delete_cookie(app_settings.COOKIE_NAME, domain=domain)
+    response.delete_cookie(app_settings.COOKIE_NAME, domain=domain,
+            httponly=app_settings.COOKIE_HTTP_ONLY)
     return response