diff --git a/package.json b/package.json
index 749562e..399f103 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "rollup-plugin-less",
-  "version": "0.1.0",
+  "version": "0.2.0",
   "description": "a rollup plugin for less files",
   "main": "dist/rollup-plugin-less.js",
   "jsnext:main": "dist/rollup-plugin-less.mjs",
diff --git a/src/index.js b/src/index.js
index 11d5672..383504c 100644
--- a/src/index.js
+++ b/src/index.js
@@ -18,11 +18,17 @@ let fileCount = 0;
 
 export default function plugin (options = {}) {
     options.insert = options.insert || false;
+    options.watch = options.watch || false;
     const filter = createFilter(options.include || [ '**/*.less', '**/*.css' ], options.exclude || 'node_modules/**');
 
     const injectFnName = '__$styleInject'
     return {
         name: 'less',
+        load() {
+            if (options.watch){
+                fileCount = 0;
+            }
+        },
         intro() {
             return options.insert ? insertStyle.toString().replace(/insertStyle/, injectFnName) : '';
         },