1 files changed, 5 insertions, 2 deletions
diff --git a/components/script/dom/serviceworkercontainer.rs b/components/script/dom/serviceworkercontainer.rs
index 3d9202accf4..993241445d5 100644
--- a/components/script/dom/serviceworkercontainer.rs
+++ b/components/script/dom/serviceworkercontainer.rs
@@ -95,11 +95,14 @@ impl ServiceWorkerContainerMethods for ServiceWorkerContainer {
             return Err(Error::Type("Scope URL contains forbidden characters".to_owned()));
         }
 
-        let worker_registration = ServiceWorkerRegistration::new(self.global().r().as_global_scope(),
+        let global = self.global();
+        let global = global.r();
+        let global_scope = global.as_global_scope();
+        let worker_registration = ServiceWorkerRegistration::new(global_scope,
                                                                  script_url,
                                                                  scope.clone(),
                                                                  self);
-        ScriptThread::set_registration(scope, &*worker_registration, self.global().r().pipeline_id());
+        ScriptThread::set_registration(scope, &*worker_registration, global_scope.pipeline_id());
         Ok(worker_registration)
     }
 }