diff --git a/test/e2e/html2js/karma.conf.js b/test/e2e/html2js/karma.conf.js
index 1e87e5d15..73e4e1fe9 100644
--- a/test/e2e/html2js/karma.conf.js
+++ b/test/e2e/html2js/karma.conf.js
@@ -7,6 +7,10 @@ module.exports = function(config) {
       '*.html'
     ],
 
+    preprocessors: {
+      '*.html': ['html2js']
+    },
+
     autoWatch: true,
 
     browsers: [process.env.TRAVIS ? 'Firefox' : 'Chrome'],