diff --git a/src/Servers/Kestrel/test/InMemory.FunctionalTests/Http2/Http2ConnectionTests.cs b/src/Servers/Kestrel/test/InMemory.FunctionalTests/Http2/Http2ConnectionTests.cs
index d858d0dcfd28..2c7598bb6c3f 100644
--- a/src/Servers/Kestrel/test/InMemory.FunctionalTests/Http2/Http2ConnectionTests.cs
+++ b/src/Servers/Kestrel/test/InMemory.FunctionalTests/Http2/Http2ConnectionTests.cs
@@ -3602,10 +3602,11 @@ public async Task RST_STREAM_IncompleteRequest_AdditionalWindowUpdateFrame_Conne
         await SendDataAsync(1, new byte[1], endStream: false);
         await SendRstStreamAsync(1);
         await SendWindowUpdateAsync(1, 1024);
-        tcs.TrySetResult();
 
         await WaitForConnectionErrorAsync<Http2ConnectionErrorException>(ignoreNonGoAwayFrames: false, expectedLastStreamId: 1,
             Http2ErrorCode.STREAM_CLOSED, CoreStrings.FormatHttp2ErrorStreamAborted(Http2FrameType.WINDOW_UPDATE, 1));
+
+        tcs.TrySetResult(); // Don't let the response start until after the abort
     }
 
     [Fact]