diff --git a/SabreTools.Hashing/Checksum/FnvBase.cs b/SabreTools.Hashing/Checksum/FnvBase.cs
index c283308..522841f 100644
--- a/SabreTools.Hashing/Checksum/FnvBase.cs
+++ b/SabreTools.Hashing/Checksum/FnvBase.cs
@@ -1,6 +1,6 @@
 namespace SabreTools.Hashing.Checksum
 {
-    internal abstract class FnvBase<T> : ChecksumBase<T> where T : struct
+    public abstract class FnvBase<T> : ChecksumBase<T> where T : struct
     {
         /// <summary>
         /// Initial value to use