diff --git a/js/apps/system/aardvark/test/karma/karma.conf.js b/js/apps/system/aardvark/test/karma/karma.conf.js
index bf1789595d..3520e69174 100644
--- a/js/apps/system/aardvark/test/karma/karma.conf.js
+++ b/js/apps/system/aardvark/test/karma/karma.conf.js
@@ -275,7 +275,7 @@ module.exports = function(karma) {
     // - Safari (only Mac)
     // - PhantomJS
     // - IE (only Windows)
-    browsers: ["PhantomJS"],
+    browsers: ["PhantomJS", "Firefox"],
 
 
     // If browser does not capture in given timeout [ms], kill it