diff --git a/lib/less/index.js b/lib/less/index.js
index 348a5d8f1..14217889d 100644
--- a/lib/less/index.js
+++ b/lib/less/index.js
@@ -192,8 +192,9 @@ less.Parser.fileLoader = function (file, currentFileInfo, callback, env) {
         });
     } else {
 
-        var paths = [currentFileInfo.currentDirectory].concat(env.paths);
-        paths.push('.');
+        var paths = [currentFileInfo.currentDirectory];
+        if (env.paths) paths.push.apply(paths, env.paths);
+        if (paths.indexOf('.') === -1) paths.push('.');
 
         if (env.syncImport) {
             for (var i = 0; i < paths.length; i++) {