diff --git a/ButcherFactory.Form/Controls/WeightControl.cs b/ButcherFactory.Form/Controls/WeightControl.cs
index f14c804..2b3a736 100644
--- a/ButcherFactory.Form/Controls/WeightControl.cs
+++ b/ButcherFactory.Form/Controls/WeightControl.cs
@@ -182,11 +182,12 @@ namespace ButcherFactory.Controls
         if (availableCount == 0)
         {
           Thread.Sleep(10);
-        }
-        char[] buffer = new char[availableCount];
+        }
+        byte[] buffer = new byte[availableCount];
         weightPort.Read(buffer, 0, availableCount);
-        foreach (var c in buffer)
-        {
+        foreach (var b in buffer)
+        {
+          var c = (char)b;
           if (c == _dataFormat.Beginchar)
           {
             _dataStrBuilder.Clear();