diff --git a/ot_livesync.c b/ot_livesync.c
index 2778071..29f1950 100644
--- a/ot_livesync.c
+++ b/ot_livesync.c
@@ -375,8 +375,10 @@ static void * livesync_worker( void * args ) {
 
   (void)args;
 
+  memcpy( in_ip, V4mappedprefix, sizeof( V4mappedprefix ) );
+
   while( 1 ) {
-    datalen = socket_recv4(g_socket_in, (char*)g_inbuffer, LIVESYNC_INCOMING_BUFFSIZE, (char*)in_ip, &in_port);
+    datalen = socket_recv4(g_socket_in, (char*)g_inbuffer, LIVESYNC_INCOMING_BUFFSIZE, 12+(char*)in_ip, &in_port);
 
     /* Expect at least tracker id and packet type */
     if( datalen <= (ssize_t)(sizeof( g_tracker_id ) + sizeof( uint32_t )) )
@@ -413,4 +415,4 @@ static void * livesync_worker( void * args ) {
 }
 
 #endif
-const char *g_version_livesync_c = "$Source: /home/cvsroot/opentracker/ot_livesync.c,v $: $Revision: 1.15 $\n";
+const char *g_version_livesync_c = "$Source: /home/cvsroot/opentracker/ot_livesync.c,v $: $Revision: 1.16 $\n";