diff --git a/lib/coffee-script/command.js b/lib/coffee-script/command.js
index b47fabe6..fa9f2680 100644
--- a/lib/coffee-script/command.js
+++ b/lib/coffee-script/command.js
@@ -151,7 +151,7 @@
     } catch (err) {
       CoffeeScript.emit('failure', err, task);
       if (CoffeeScript.listeners('failure').length) return;
-      if (o.watch) return printLine(err.message);
+      if (o.watch) return printLine(err.message + '\x07');
       printWarn(err instanceof Error && err.stack || ("ERROR: " + err));
       return process.exit(1);
     }