diff --git a/transport/http2_server.go b/transport/http2_server.go
index 94bd4b57..4e950363 100644
--- a/transport/http2_server.go
+++ b/transport/http2_server.go
@@ -288,7 +288,7 @@ func (t *http2Server) operateHeaders(frame *http2.MetaHeadersFrame, handle func(
 		}
 		s.ctx, err = t.inTapHandle(s.ctx, info)
 		if err != nil {
-			// TODO: Log the real error.
+			grpclog.Printf("transport: http2Server.operateHeaders got an error from InTapHandle: %v", err)
 			t.controlBuf.put(&resetStream{s.id, http2.ErrCodeRefusedStream})
 			return
 		}