diff --git a/accessible/tests/mochitest/browser.js b/accessible/tests/mochitest/browser.js index b729ace82bb0..d87b630036ab 100644 --- a/accessible/tests/mochitest/browser.js +++ b/accessible/tests/mochitest/browser.js @@ -117,7 +117,7 @@ function openBrowserWindowIntl() { gBrowserContext.browserWnd = window.openDialog(AppConstants.BROWSER_CHROME_URL, "_blank", params, - gBrowserContext.startURL); + gBrowserContext.startURL || "data:text/html,"); whenDelayedStartupFinished(browserWindow(), function() { addA11yLoadEvent(startBrowserTests, browserWindow());