diff --git a/src/app.js b/src/app.js
index 2c8cc29..b302804 100644
--- a/src/app.js
+++ b/src/app.js
@@ -44,3 +44,8 @@ window.addEventListener('load', () => {
     }, window.document.body)
   })
 })
+
+window.addEventListener('beforeunload', () => {
+  // Stop the host (and any peer hosts that it has spawned)
+  host.stop()
+})