diff --git a/src/Servers/Kestrel/test/InMemory.FunctionalTests/Http2/Http2ConnectionTests.cs b/src/Servers/Kestrel/test/InMemory.FunctionalTests/Http2/Http2ConnectionTests.cs
index 26b146843b..b0595d4545 100644
--- a/src/Servers/Kestrel/test/InMemory.FunctionalTests/Http2/Http2ConnectionTests.cs
+++ b/src/Servers/Kestrel/test/InMemory.FunctionalTests/Http2/Http2ConnectionTests.cs
@@ -225,7 +225,7 @@ namespace Microsoft.AspNetCore.Server.Kestrel.Core.Tests
             await StartStreamAsync(1, _browserRequestHeaders, endStream: true);
 
             await ExpectAsync(Http2FrameType.HEADERS,
-                withLength: 37,
+                withLength: 33,
                 withFlags: (byte)Http2HeadersFrameFlags.END_HEADERS,
                 withStreamId: 1);
             await ExpectAsync(Http2FrameType.DATA,