diff --git a/src/xpra/server/server_base.py b/src/xpra/server/server_base.py
index e4626a216d..cde60de780 100644
--- a/src/xpra/server/server_base.py
+++ b/src/xpra/server/server_base.py
@@ -510,7 +510,7 @@ def get_ui_info(self, proto, client_uuids=None, *args):
             try:
                 merge_dicts(info, c.get_ui_info(self, proto, client_uuids, *args))
             except Exception:
-                log.error("Error gathering UI info", exc_info=True)
+                log.error("Error gathering UI info on %s", c, exc_info=True)
         return info
 
     def get_thread_info(self, proto):