diff --git a/client/scripts/ui.js b/client/scripts/ui.js
index d245c36..922ed46 100644
--- a/client/scripts/ui.js
+++ b/client/scripts/ui.js
@@ -178,6 +178,7 @@ class PeerUI {
     }
 
     _onTouchEnd(e) {
+        if(!this._touchStart) return;
         if (Date.now() - this._touchStart < 500) {
             clearTimeout(this._touchTimer);
         } else { // this was a long tap
diff --git a/client/service-worker.js b/client/service-worker.js
index ed86342..5234360 100644
--- a/client/service-worker.js
+++ b/client/service-worker.js
@@ -22,7 +22,7 @@ self.addEventListener('install', function(event) {
 self.addEventListener('fetch', function(event) {
     if (event.request.method !== 'POST') return;
 
-    event.respondWith(Response.redirect('./'));
+    // event.respondWith(Response.redirect('./'));
 
     event.waitUntil(async function() {
         const data = await event.request.formData();