diff --git a/lib/core/config.js b/lib/core/config.js
index be23c674..8683dd3a 100644
--- a/lib/core/config.js
+++ b/lib/core/config.js
@@ -192,13 +192,13 @@ Config.prototype.loadChainTrackerFile = function() {
 function findMatchingExpression(filename, filesExpressions) {
   for (let fileExpression of filesExpressions) {
     var matchingFiles = utils.filesMatchingPattern(fileExpression);
-    for (matchFile of matchingFiles) {
+    for (let matchFile of matchingFiles) {
       if (matchFile === filename) {
-        return path.dirname(fileExpression).replace(/\*/g, '')
+        return path.dirname(fileExpression).replace(/\*/g, '');
       }
     }
   }
-  return path.dirname(filename)
+  return path.dirname(filename);
 }
 
 Config.prototype.loadFiles = function(files) {