diff --git a/DgfTxmConvert/Program.cs b/DgfTxmConvert/Program.cs
index 4bf0acc..65660f3 100644
--- a/DgfTxmConvert/Program.cs
+++ b/DgfTxmConvert/Program.cs
@@ -129,7 +129,7 @@ namespace DgfTxmConvert
                         while (!sr.EndOfStream)
                         {
                             var line = sr.ReadLine().Trim();
-                            if (line.StartsWith("#")) continue;
+                            if (line.Length == 0 || line.StartsWith("#")) continue;
                             var lineSplit = line.Split(' ', 2, StringSplitOptions.RemoveEmptyEntries);
                             if (lineSplit.Length != 2)
                                 throw new InvalidDataException($"Invalid line \"{line}\".");