diff --git a/bitbake/lib/bb/cooker.py b/bitbake/lib/bb/cooker.py
index 907565401d..60ee5d7c4a 100644
--- a/bitbake/lib/bb/cooker.py
+++ b/bitbake/lib/bb/cooker.py
@@ -330,7 +330,7 @@ class BBCooker:
                                 f.write("%s\n" % json.dumps({"class":event.__module__ + "." + event.__class__.__name__, "vars":json.dumps(pickle.dumps(event)) }))
                             except Exception as e:
                                 import traceback
-                                print(e, traceback.format_exc(e))
+                                print(e, traceback.format_exc())
 
 
                     def send(self, event):
diff --git a/bitbake/lib/bb/ui/uievent.py b/bitbake/lib/bb/ui/uievent.py
index ca1916664d..9542b911ca 100644
--- a/bitbake/lib/bb/ui/uievent.py
+++ b/bitbake/lib/bb/ui/uievent.py
@@ -116,7 +116,7 @@ class BBUIEventQueue:
                 self.server.handle_request()
             except Exception as e:
                 import traceback
-                logger.error("BBUIEventQueue.startCallbackHandler: Exception while trying to handle request: %s\n%s" % (e, traceback.format_exc(e)))
+                logger.error("BBUIEventQueue.startCallbackHandler: Exception while trying to handle request: %s\n%s" % (e, traceback.format_exc()))
 
         self.server.server_close()