diff --git a/examples/csharp/HelloPhi/Program.cs b/examples/csharp/HelloPhi/Program.cs
index fe0895744b..c23ab9907c 100644
--- a/examples/csharp/HelloPhi/Program.cs
+++ b/examples/csharp/HelloPhi/Program.cs
@@ -155,9 +155,13 @@ static string GetPrompt(bool interactive)
             using var generator = new Generator(model, generatorParams);
             generator.AppendTokenSequences(sequences);
             var watch = System.Diagnostics.Stopwatch.StartNew();
-            while (!generator.IsDone())
+            while (true)
             {
                 generator.GenerateNextToken();
+                if (generator.IsDone())
+                {
+                    break;
+                }
                 Console.Write(tokenizerStream.Decode(generator.GetNextTokens()[0]));
             }
             Console.WriteLine();
@@ -192,9 +196,13 @@ static string GetPrompt(bool interactive)
         var sequences = tokenizer.Encode(tokenizer.ApplyChatTemplate("", messages, "", true));
         var watch = System.Diagnostics.Stopwatch.StartNew();
         generator.AppendTokenSequences(sequences);
-        while (!generator.IsDone())
+        while (true)
         {
             generator.GenerateNextToken();
+            if (generator.IsDone())
+            {
+                break;
+            }
             Console.Write(tokenizerStream.Decode(generator.GetNextTokens()[0]));
         }
         Console.WriteLine();