diff --git a/io/rawserial/26-rawserial.js b/io/rawserial/26-rawserial.js
index 0ba158f1..c0913296 100644
--- a/io/rawserial/26-rawserial.js
+++ b/io/rawserial/26-rawserial.js
@@ -23,7 +23,8 @@ module.exports = function(RED) {
     var pre = "\\\\.\\";
 
     if (!plat.match(/^win/)) {
-        util.log("[26-rawserial.js] Info : only really needed for Windows boxes without serialport npm module installed.");
+        throw "Info : only really needed for Windows boxes without serialport npm module installed.";
+        //util.log("[26-rawserial.js] Info : only really needed for Windows boxes without serialport npm module installed.");
         pre = "";
     }