diff --git a/Terminal.Gui/Views/TextView.cs b/Terminal.Gui/Views/TextView.cs
index fb14a91bc..1ca435b7d 100644
--- a/Terminal.Gui/Views/TextView.cs
+++ b/Terminal.Gui/Views/TextView.cs
@@ -114,7 +114,7 @@ namespace Terminal.Gui {
 		{
 			var sb = new StringBuilder ();
 			foreach (var line in lines) {
-				sb.Append (line);
+				sb.Append (ustring.Make (line).ToString ());
 				sb.AppendLine ();
 			}
 			return sb.ToString ();