diff --git a/README.md b/README.md
index 5946572..2cb3ed5 100644
--- a/README.md
+++ b/README.md
@@ -8,8 +8,6 @@ For any instructions and support please check out the [Wiki](https://github.com/
 If you like this project and want to support our work you can either do pull requests or donate via [PayPal](https://paypal.me/dunklesToast) 
 
 ## License
-Copyright (C) 2016-2019 Federico Dossena
-
 Copyright (C) 2019 dunklesToast
 
 
diff --git a/src/public/speedtest_worker.js b/src/public/speedtest_worker.js
index fedaccd..406c054 100644
--- a/src/public/speedtest_worker.js
+++ b/src/public/speedtest_worker.js
@@ -130,7 +130,7 @@ this.addEventListener("message", function(e) {
 						// ff more precise with 1 upload stream
 						settings.xhr_ulMultistream = 1;
 					}
-					if (typeof s.xhr_ulMultistream === "undefined") {
+					if (typeof s.ping_allowPerformanceApi === "undefined") {
 						// ff performance API sucks
 						settings.ping_allowPerformanceApi = false;
 					}