diff --git a/src/Shared/runtime/Http2/Hpack/HPackEncoder.cs b/src/Shared/runtime/Http2/Hpack/HPackEncoder.cs
index 4c3ac2952704..67a61c3c69f3 100644
--- a/src/Shared/runtime/Http2/Hpack/HPackEncoder.cs
+++ b/src/Shared/runtime/Http2/Hpack/HPackEncoder.cs
@@ -8,7 +8,7 @@
 
 namespace System.Net.Http.HPack
 {
-    internal partial class HPackEncoder
+    internal static partial class HPackEncoder
     {
         // Things we should add:
         // * Huffman encoding