diff --git a/quic/core/quic_session.h b/quic/core/quic_session.h
index fba1e63..6a6a4b2 100644
--- a/quic/core/quic_session.h
+++ b/quic/core/quic_session.h
@@ -126,7 +126,7 @@
   void OnForwardProgressConfirmed() override;
   bool OnMaxStreamsFrame(const QuicMaxStreamsFrame& frame) override;
   bool OnStreamsBlockedFrame(const QuicStreamsBlockedFrame& frame) override;
-  bool OnStopSendingFrame(const QuicStopSendingFrame& frame) override;
+  void OnStopSendingFrame(const QuicStopSendingFrame& frame) override;
 
   // QuicStreamFrameDataProducer
   WriteStreamDataResult WriteStreamData(QuicStreamId id,