diff --git a/Web/ConverterController.cs b/Web/ConverterController.cs
index c16c1ed53..07d01b963 100644
--- a/Web/ConverterController.cs
+++ b/Web/ConverterController.cs
@@ -60,7 +60,7 @@ private int GetDefaultVersionForLanguage(string language)
             if (language == null)
                 throw new ArgumentNullException(nameof(language));
             if (language.StartsWith("cs", StringComparison.OrdinalIgnoreCase))
-                return 6;
+                return 8;
             if (language.StartsWith("vb", StringComparison.OrdinalIgnoreCase))
                 return 14;
             throw new ArgumentException($"{language} not supported!");