diff --git a/lib/index.js b/lib/index.js
index e7e64a7..d6fd542 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -6,7 +6,7 @@ const chokidar = require("chokidar");
 
 function createPreprocessor(options, preconfig, basePath, emitter, logger) {
     const log = logger.create("preprocessor.rollup");
-    const watch = new Watch(emitter);
+    const watch = new Watch(emitter, log);
 
     let cache;
 
@@ -19,6 +19,7 @@ function createPreprocessor(options, preconfig, basePath, emitter, logger) {
             .then(bundle => {
                 cache = bundle;
                 watch.capture(bundle);
+                log.info("Generating bundle");
                 return bundle.generate(config);
             })
             .then(({ code, map }) => {
@@ -45,11 +46,14 @@ function createPreprocessor(options, preconfig, basePath, emitter, logger) {
     };
 }
 
-function Watch(emitter) {
+function Watch(emitter, log) {
     this.buffer = new Set();
     this.watchList = new Set();
     this.watch = chokidar.watch();
-    this.watch.on("change", () => emitter.refreshFiles());
+    this.watch.on("change", () => {
+        log.info('Change detected');
+        emitter.refreshFiles();
+    });
     emitter.on("run_start", () => this.start());
 }