diff --git a/app.js b/app.js
index 5874c178..8fa20852 100755
--- a/app.js
+++ b/app.js
@@ -6,7 +6,7 @@ var path = require('path');
 var fs = require('fs');
 var _ = require('underscore');
 var semver = require('semver');
-const setICUEnvVariable = require('./lib/utils/icu_data_env_setter');
+const setICUEnvVariable = require('./lib/utils/icu-data-env-setter');
 
 // jshint undef:false
 var log = console.log.bind(console);
diff --git a/lib/utils/icu_data_env_setter.js b/lib/utils/icu-data-env-setter.js
similarity index 100%
rename from lib/utils/icu_data_env_setter.js
rename to lib/utils/icu-data-env-setter.js
diff --git a/test/support/test_helper.js b/test/support/test_helper.js
index cc5ff311..6890a79d 100644
--- a/test/support/test_helper.js
+++ b/test/support/test_helper.js
@@ -15,7 +15,7 @@ var lzmaWorker = new LZMA();
 
 var redis = require('redis');
 var log4js = require('log4js');
-const setICUEnvVariable = require('../../lib/utils/icu_data_env_setter');
+const setICUEnvVariable = require('../../lib/utils/icu-data-env-setter');
 
 // set environment specific variables
 global.environment  = require(__dirname + '/../../config/environments/test');