diff --git a/src/rust/engine/src/python.rs b/src/rust/engine/src/python.rs
index 2dcd347ab6e..cfd0b567464 100644
--- a/src/rust/engine/src/python.rs
+++ b/src/rust/engine/src/python.rs
@@ -425,7 +425,7 @@ impl Failure {
       locals.set_item("tb", tb).unwrap();
       locals.set_item("val", &val).unwrap();
       py.eval(
-        "''.join(traceback.format_exception(etype=None, value=val, tb=tb))",
+        "''.join(traceback.format_exception(None, value=val, tb=tb))",
         None,
         Some(locals),
       )