diff --git a/src/Microsoft.AspNetCore.Razor.Evolution/Legacy/AcceptedCharacters.cs b/src/Microsoft.AspNetCore.Razor.Evolution/Legacy/AcceptedCharacters.cs
index 1e11a476cf..8c6d1369e4 100644
--- a/src/Microsoft.AspNetCore.Razor.Evolution/Legacy/AcceptedCharacters.cs
+++ b/src/Microsoft.AspNetCore.Razor.Evolution/Legacy/AcceptedCharacters.cs
@@ -6,7 +6,7 @@ using System;
 namespace Microsoft.AspNetCore.Razor.Evolution.Legacy
 {
     [Flags]
-    internal enum AcceptedCharacters
+    public enum AcceptedCharacters
     {
         None = 0,
         NewLine = 1,