diff --git a/trunk/src/protocol/srs_rtsp_stack.cpp b/trunk/src/protocol/srs_rtsp_stack.cpp
index b939d7178..4d3487ebd 100644
--- a/trunk/src/protocol/srs_rtsp_stack.cpp
+++ b/trunk/src/protocol/srs_rtsp_stack.cpp
@@ -161,6 +161,8 @@ void SrsRtpPacket::copy(SrsRtpPacket* src)
 
     chunked = src->chunked;
     completed = src->completed;
+
+	srs_freep(audio_samples);
     audio_samples = new SrsCodecSample();
 }