diff --git a/daemon/src/audio/audiortp/audio_symmetric_rtp_session.cpp b/daemon/src/audio/audiortp/audio_symmetric_rtp_session.cpp
index 37f8f7deae6d2be05c2a833032cd1568c7f58409..4107133d34d7530b12c57e63aaceebd28f4b7498 100644
--- a/daemon/src/audio/audiortp/audio_symmetric_rtp_session.cpp
+++ b/daemon/src/audio/audiortp/audio_symmetric_rtp_session.cpp
@@ -42,7 +42,8 @@
 namespace sfl {
 
 AudioSymmetricRtpSession::AudioSymmetricRtpSession(SIPCall * sipcall) :
-    ost::SymmetricRTPSession(ost::InetHostAddress(sipcall->getLocalIp().c_str()), sipcall->getLocalAudioPort())
+    ost::TimerPort()
+    , ost::SymmetricRTPSession(ost::InetHostAddress(sipcall->getLocalIp().c_str()), sipcall->getLocalAudioPort())
     , AudioRtpSession(sipcall, Symmetric, this, this)
     , echoCanceller()
     , rtpThread_(new AudioRtpThread(this))