diff --git a/plugins/LaserUE.java b/plugins/LaserUE.java
index 089d5e1..30a6619 100644
--- a/plugins/LaserUE.java
+++ b/plugins/LaserUE.java
@@ -22,18 +22,14 @@ public class LaserUE extends SerialPortDevice{
     
     int value = 0;
     int count = 0;
-    /*
-    @Override
-    protected int readByte() throws IOException {
-        int ret = super.readByte();
-        System.out.print(ret);
-        return ret;
-    }
-*/
+
     
     @Override
     protected void onByte(int rx) {
-        System.out.println(rx);
+        if (rx<0){
+            rx+=256;
+        }
+        System.out.println(rx);        
         int index = ((rx&BIT7) > 0) ? 2 : (((rx&BIT6) > 0) ? 1 : 0);
         if (count==index){
             if (index ==0){