diff --git a/tests/wpt/metadata/websockets/constructor/013.html.ini b/tests/wpt/metadata/websockets/constructor/013.html.ini
index 732802db595..9705e7741c3 100644
--- a/tests/wpt/metadata/websockets/constructor/013.html.ini
+++ b/tests/wpt/metadata/websockets/constructor/013.html.ini
@@ -1,8 +1,10 @@
 [013.html]
   type: testharness
+  disabled: https://github.com/servo/servo/issues/13133
 
 [013.html?wss]
   type: testharness
+  disabled: https://github.com/servo/servo/issues/13133
   [WebSockets: multiple WebSocket objects]
     expected: FAIL