1 files changed, 2 insertions, 1 deletions
diff --git a/components/script/dom/serviceworkercontainer.rs b/components/script/dom/serviceworkercontainer.rs
index a28440e5c42..c83d859b4ce 100644
--- a/components/script/dom/serviceworkercontainer.rs
+++ b/components/script/dom/serviceworkercontainer.rs
@@ -15,6 +15,7 @@ use dom::promise::Promise;
 use dom::serviceworker::ServiceWorker;
 use dom::serviceworkerregistration::ServiceWorkerRegistration;
 use script_thread::ScriptThread;
+use servo_atoms::Atom;
 use std::ascii::AsciiExt;
 use std::default::Default;
 use std::rc::Rc;
@@ -45,7 +46,7 @@ pub trait Controllable {
 impl Controllable for ServiceWorkerContainer {
     fn set_controller(&self, active_worker: &ServiceWorker) {
         self.controller.set(Some(active_worker));
-        self.upcast::<EventTarget>().fire_simple_event("controllerchange");
+        self.upcast::<EventTarget>().fire_event(Atom::from("controllerchange"));
     }
 }