diff --git a/JitterBuffer.cpp b/JitterBuffer.cpp
index 6667385..26b2ffc 100644
--- a/JitterBuffer.cpp
+++ b/JitterBuffer.cpp
@@ -119,7 +119,7 @@ JB_STATUS CJitterBuffer::getData(unsigned char* data, unsigned int& length)
 	if (!m_running)
 		return JBS_NO_DATA;
 
-	unsigned int sequenceNumber = m_stopWatch.elapsed() / m_blockTime;
+	unsigned int sequenceNumber = m_stopWatch.elapsed() / m_blockTime + 3U;
 	if (m_headSequenceNumber > sequenceNumber)
 		return JBS_NO_DATA;