diff --git a/onionshare/web.py b/onionshare/web.py
index 3e02fd95..4ae10221 100644
--- a/onionshare/web.py
+++ b/onionshare/web.py
@@ -351,7 +351,7 @@ def page_not_found(e):
             force_shutdown()
             print(strings._('error_rate_limit'))
 
-    r = make_response(render_template_string(open(common.get_resource_path('html/404.html')).read()))
+    r = make_response(render_template_string(open(common.get_resource_path('html/404.html')).read()), 404)
     for header, value in security_headers:
         r.headers.set(header, value)
     return r