diff --git a/core/AmJitterBuffer.cpp b/core/AmJitterBuffer.cpp
index abf57abd..5ff0f93f 100644
--- a/core/AmJitterBuffer.cpp
+++ b/core/AmJitterBuffer.cpp
@@ -84,8 +84,8 @@ void PacketAllocator::free(Packet *p)
 }
 
 AmJitterBuffer::AmJitterBuffer()
-  : m_tsInited(false), m_tsDeltaInited(false), m_delayCount(0),
-    m_jitter(INITIAL_JITTER),
+  : m_tsInited(false), m_tsDeltaInited(false), m_delayCount(0),m_tsDelta(0),
+    m_jitter(INITIAL_JITTER),m_lastAudioTs(0),m_lastResyncTs(0),m_lastTs(0),
     m_tail(NULL), m_head(NULL), m_forceResync(false)
 {
 }