diff --git a/mozilla/testing/performance/talos/sample.config b/mozilla/testing/performance/talos/sample.config
index 840b2218eee..e9e64c76f44 100755
--- a/mozilla/testing/performance/talos/sample.config
+++ b/mozilla/testing/performance/talos/sample.config
@@ -23,6 +23,7 @@ init_url: getInfo.html
 
 # Preferences to set in the test (use "preferences : {}" for no prefs)
 preferences : 
+  security.fileuri.strict_origin_policy : false
   browser.shell.checkDefaultBrowser : false
   browser.warnOnQuit : false
   browser.link.open_newwindow : 2