diff --git a/xpra/gtk/error.py b/xpra/gtk/error.py
index 3af685031e..8df2a9d87a 100644
--- a/xpra/gtk/error.py
+++ b/xpra/gtk/error.py
@@ -226,7 +226,7 @@ def __enter__(self):
 
     def __exit__(self, e_typ, e_val, trcbak):
         if e_typ:
-            log.error("Error: %s, %s", e_typ, e_val, exc_info=trcbak)
+            log.error("Error: %s, %s", e_typ, e_val, exc_info=True)
             log.error(" X11 log context", backtrace=True)
         trap.safe_x_exit()
         # don't raise exceptions: