diff --git a/gst/rtpmanager/gstrtpssrcdemux.c b/gst/rtpmanager/gstrtpssrcdemux.c
index 41910b5075..25ab9c3485 100644
--- a/gst/rtpmanager/gstrtpssrcdemux.c
+++ b/gst/rtpmanager/gstrtpssrcdemux.c
@@ -711,7 +711,7 @@ gst_rtp_ssrc_demux_iterate_internal_links_sink (GstPad * pad)
 {
   GstRtpSsrcDemux *demux;
   GstIterator *it = NULL;
-  const gchar *prefix;
+  const gchar *prefix = NULL;
 
   demux = GST_RTP_SSRC_DEMUX (gst_pad_get_parent (pad));