1 files changed, 3 insertions, 1 deletions
diff --git a/components/script/dom/websocket.rs b/components/script/dom/websocket.rs
index 964927038fa..745782c061d 100644
--- a/components/script/dom/websocket.rs
+++ b/components/script/dom/websocket.rs
@@ -541,7 +541,9 @@ impl TaskOnce for CloseTask {
             reason,
             CanGc::note(),
         );
-        close_event.upcast::<Event>().fire(ws.upcast());
+        close_event
+            .upcast::<Event>()
+            .fire(ws.upcast(), CanGc::note());
     }
 }