diff --git a/src/xpra/server/source.py b/src/xpra/server/source.py
index cf1cf5aa8d..b6c75b2c7e 100644
--- a/src/xpra/server/source.py
+++ b/src/xpra/server/source.py
@@ -1226,7 +1226,7 @@ def update_av_sync_delay_total(self):
             cinfo = ""
             if ss:
                 try:
-                    encoder_latency = ss.last_info.get("queue", {}).get("cur", 0)
+                    encoder_latency = ss.info.get("queue", {}).get("cur", 0)
                     avsynclog("server side queue level: %s", encoder_latency)
                     from xpra.sound.gstreamer_util import ENCODER_LATENCY
                     encoder_latency = ENCODER_LATENCY.get(ss.codec, 0)