diff --git a/bitbake/lib/bb/ui/toasterui.py b/bitbake/lib/bb/ui/toasterui.py
index 2bc45b6312..9808f6bc8f 100644
--- a/bitbake/lib/bb/ui/toasterui.py
+++ b/bitbake/lib/bb/ui/toasterui.py
@@ -438,7 +438,7 @@ def main(server, eventHandler, params):
                 elif event.type == "OSErrorException":
                     logger.error(event)
                 else:
-                    logger.error("Unprocessed MetadataEvent %s ", str(event))
+                    logger.error("Unprocessed MetadataEvent %s", event.type)
                 continue
 
             if isinstance(event, bb.cooker.CookerExit):