diff --git a/lib/devices/ios/instruments.js b/lib/devices/ios/instruments.js
index 1f885eed661..cbf959a7f95 100644
--- a/lib/devices/ios/instruments.js
+++ b/lib/devices/ios/instruments.js
@@ -15,7 +15,7 @@ var spawn = require('child_process').spawn
 
 var Instruments = function(opts) {
   this.app = opts.app;
-  this.launchTimeout = opts.launchTimeout;
+  this.launchTimeout = opts.launchTimeout || 90000;
   this.udid = opts.udid;
   this.isSafariLauncherApp = opts.isSafariLauncherApp;
   this.bootstrap = opts.bootstrap;