diff --git a/Common/DemoSessionMessage.cs b/Common/DemoSessionMessage.cs
index 93fe7e9..81667f9 100644
--- a/Common/DemoSessionMessage.cs
+++ b/Common/DemoSessionMessage.cs
@@ -101,7 +101,7 @@ namespace Sample.Common
                 if (nc != null)
                 {
                     Console.Write($"Message/NC: {nc.Line}; File: {nc.FilePath}; LineNo: {nc.GetLineNo()}; ");
-                    if (nc is NcLine ncLine)
+                    if (nc is HardNcLine ncLine)
                         Console.WriteLine($"T: {ncLine.T}; S: {ncLine.S}; F: {ncLine.F}; NC-Flags: {ncLine.FlagsText}");
                 }