diff --git a/lib/client/browser.js b/lib/client/browser.js
index 331d1033..6823f030 100644
--- a/lib/client/browser.js
+++ b/lib/client/browser.js
@@ -134,13 +134,15 @@ require("./discovery.js");
 				windowUtil(qunitHtmlFile, function(testWindow) {
 					let timer = null;
 					let testResult = {};
-					let QUnit, accessError = false;
+					let QUnit;
+					let accessError = false;
 					try {
 						QUnit = testWindow.contentWindow.QUnit;
 					} catch (err) {
-						console.error(err);
 						if (err.name === "TypeError" && err.message === "Permission denied") {
 							accessError = true;
+						} else {
+							throw err;
 						}
 					}