diff --git a/libEDSsharp/CanOpenNodeExporter.cs b/libEDSsharp/CanOpenNodeExporter.cs
index d1e9d81..4abf545 100644
--- a/libEDSsharp/CanOpenNodeExporter.cs
+++ b/libEDSsharp/CanOpenNodeExporter.cs
@@ -913,7 +913,7 @@ public static string GetValue()
             return method.Invoke(null, null) as string;
         }
 
-        string make_cname(string name)
+       protected string make_cname(string name)
        {
             if (name == null)
                 return null;
@@ -940,7 +940,7 @@ string make_cname(string name)
                 }
                 else
                 {
-                    output += output.ToUpper();
+                    output += s;
                 }
 
                 if(output.Length>0)
@@ -948,8 +948,11 @@ string make_cname(string name)
 
            }
 
-            if (output.Length > 1 && Char.IsLower(output[1]))
-                output = Char.ToLower(output[0]) + output.Substring(1);
+            if (output.Length > 1)
+            {
+                if (Char.IsLower(output[1]))
+                    output = Char.ToLower(output[0]) + output.Substring(1);
+            }
             else
                 output = output.ToLower(); //single character