diff --git a/sesman/chansrv/sound.c b/sesman/chansrv/sound.c
index eb299ecc..8c76c9bc 100644
--- a/sesman/chansrv/sound.c
+++ b/sesman/chansrv/sound.c
@@ -1363,7 +1363,7 @@ read_raw_audio_data(void *arg)
     }
 
     strans->trans_data_in = sttrans_data_in;
-    g_snprintf(path, 255, CHANSRV_PORT_STR, g_display_num);
+    g_snprintf(path, 255, CHANSRV_PORT_OUT_STR, g_display_num);
 
     if (trans_connect(strans, "", path, 100) != 0)
     {
diff --git a/sesman/session.c b/sesman/session.c
index b68ed3f4..6b49a3fb 100644
--- a/sesman/session.c
+++ b/sesman/session.c
@@ -745,9 +745,15 @@ session_start_fork(int width, int height, int bpp, char *username,
         temp->item->type = type;
         temp->item->status = SESMAN_SESSION_STATUS_ACTIVE;
 
+        /*THREAD-FIX require chain lock */
+        lock_chain_acquire();
+
         temp->next = g_sessions;
         g_sessions = temp;
         g_session_count++;
+
+        /*THREAD-FIX release chain lock */
+        lock_chain_release();
     }
 
     return display;