diff --git a/src/dotnet/TinyCompiler/TinyCompiler.Tests/LexerTests.cs b/src/dotnet/TinyCompiler/TinyCompiler.Tests/LexerTests.cs
index 06a041b..8c08ee5 100644
--- a/src/dotnet/TinyCompiler/TinyCompiler.Tests/LexerTests.cs
+++ b/src/dotnet/TinyCompiler/TinyCompiler.Tests/LexerTests.cs
@@ -30,6 +30,7 @@ public class LexerTests
         [InlineData("WHILE", TokenType.While)]
         [InlineData("REPEAT", TokenType.Repeat)]
         [InlineData("ENDWHILE", TokenType.EndWhile)]
+        [InlineData("\n", TokenType.Newline)]
         public void SimpleSource_LexterReturnsExpectedToken(string source, TokenType expectedKind)
         {
             Lexer lexer = new Lexer(source);