diff --git a/karma.conf.cjs b/karma.conf.cjs
index 6d6e7fc..0869e75 100644
--- a/karma.conf.cjs
+++ b/karma.conf.cjs
@@ -87,7 +87,8 @@ module.exports = function (config) {
 
     customLaunchers: {
       FirefoxHeadlessTouch: {
-        base: 'FirefoxHeadless',
+        base: 'Firefox',
+        flags: ['-headless'],
         prefs: {
           'dom.w3c_touch_events.enabled': 1,
           'dom.events.asyncClipboard.clipboardItem': true,