diff --git a/pyo3-stub-gen-derive/src/gen_stub/pyclass.rs b/pyo3-stub-gen-derive/src/gen_stub/pyclass.rs
index 07910fa..f3090b5 100644
--- a/pyo3-stub-gen-derive/src/gen_stub/pyclass.rs
+++ b/pyo3-stub-gen-derive/src/gen_stub/pyclass.rs
@@ -150,6 +150,7 @@ mod test {
             ],
             module: Some("my_module"),
             doc: "",
+            bases: &[],
         }
         "###);
         Ok(())