diff --git a/karma.conf.js b/karma.conf.js
index da90f84f28..f3b52d13a1 100644
--- a/karma.conf.js
+++ b/karma.conf.js
@@ -37,6 +37,7 @@ module.exports = function(config) {
             {pattern: 'bower_components/**/*.js', included: false},
             {pattern: 'node_modules/d3-*/**/*.js', included: false},
             {pattern: 'src/**/*.js', included: false},
+            {pattern: 'example/**/*.html', included: false},
             {pattern: 'example/**/*.js', included: false},
             {pattern: 'example/**/*.json', included: false},
             {pattern: 'platform/**/*.js', included: false},