diff --git a/js/app.js b/js/app.js
index 83d637b2..9f992b29 100644
--- a/js/app.js
+++ b/js/app.js
@@ -48,10 +48,9 @@ var App = function() {
 
 		// For this check proposed to TestSuite
 		// https://forum.magicmirror.builders/topic/1456/test-suite-for-magicmirror/8
-		if (global.configuration_file === undefined ) {
-			var configFilename = path.resolve(global.root_path + "/config/config.js");
-		} else {
-			var configFilename = path.resolve(global.configuration_file);
+		var configFilename = path.resolve(global.root_path + "/config/config.js");
+		if (typeof(global.configuration_file) === "undefined" ) {
+		    configFilename = path.resolve(global.configuration_file);
 		}
 
 		try {