diff --git a/servo/components/devtools/actors/tab.rs b/servo/components/devtools/actors/tab.rs
index 062ec02af11f..005009ebcc2a 100644
--- a/servo/components/devtools/actors/tab.rs
+++ b/servo/components/devtools/actors/tab.rs
@@ -100,7 +100,7 @@ impl Actor for TabActor {
                 let console_actor = registry.find::<ConsoleActor>(self.console.as_slice());
                 console_actor.streams.borrow_mut().push(stream.clone());
                 stream.write_json_packet(&msg);
-                console_actor.script_chan.send(WantsLiveNotifications(console_actor.pipeline, true));
+                console_actor.script_chan.send(WantsLiveNotifications(console_actor.pipeline, true)).unwrap();
                 true
             }
 
@@ -114,7 +114,7 @@ impl Actor for TabActor {
                 let console_actor = registry.find::<ConsoleActor>(self.console.as_slice());
                 console_actor.streams.borrow_mut().pop();
                 stream.write_json_packet(&msg);
-                console_actor.script_chan.send(WantsLiveNotifications(console_actor.pipeline, false));
+                console_actor.script_chan.send(WantsLiveNotifications(console_actor.pipeline, false)).unwrap();
                 true
             }