diff --git a/core/AmJitterBuffer.cpp b/core/AmJitterBuffer.cpp
index a651a5ad..567edb0e 100644
--- a/core/AmJitterBuffer.cpp
+++ b/core/AmJitterBuffer.cpp
@@ -71,7 +71,8 @@ void PacketAllocator::free(Packet *p)
 
 AmJitterBuffer::AmJitterBuffer(AmRtpStream *owner)
     : m_tsInited(false), m_tsDeltaInited(false), m_delayCount(0),
-      m_jitter(INITIAL_JITTER), m_owner(owner)
+      m_jitter(INITIAL_JITTER), m_owner(owner),
+	  m_tail(NULL), m_head(NULL)
 {
 }