diff --git a/src/launcher/inject.js b/src/launcher/inject.js
index 10a0f70..2851ae8 100644
--- a/src/launcher/inject.js
+++ b/src/launcher/inject.js
@@ -94,6 +94,8 @@ export default async (CDP, proc, injectionType = 'browser', { browserName } = {
     versions
   };
 
+  proc.on('close', Window.close);
+
   Window.idle = await IdleApi(Window.cdp, { browserEngine, closeHandlers });
   Window.controls = await ControlsApi(Window.cdp);