diff --git a/shared-bindings/audiobusio/PDMIn.c b/shared-bindings/audiobusio/PDMIn.c
index c36b717197..601b0c2f84 100644
--- a/shared-bindings/audiobusio/PDMIn.c
+++ b/shared-bindings/audiobusio/PDMIn.c
@@ -245,8 +245,8 @@ MP_DEFINE_CONST_OBJ_TYPE(
     audiobusio_pdmin_type,
     MP_QSTR_PDMIn,
     MP_TYPE_FLAG_NONE,
-    make_new, audiobusio_pdmin_make_new,
+    make_new, audiobusio_pdmin_make_new
     #if CIRCUITPY_AUDIOBUSIO_PDMIN
-    locals_dict, &audiobusio_pdmin_locals_dict
+    , locals_dict, &audiobusio_pdmin_locals_dict
     #endif
     );
diff --git a/shared-bindings/canio/Listener.c b/shared-bindings/canio/Listener.c
index 96d119349b..ac28ea0df2 100644
--- a/shared-bindings/canio/Listener.c
+++ b/shared-bindings/canio/Listener.c
@@ -170,6 +170,6 @@ MP_DEFINE_CONST_OBJ_TYPE(
     canio_listener_type,
     MP_QSTR_Listener,
     MP_TYPE_FLAG_ITER_IS_ITERNEXT,
-    .locals_dict = (mp_obj_dict_t *)&canio_listener_locals_dict,
-    .iternext = canio_iternext
+    locals_dict, &canio_listener_locals_dict,
+    iter, canio_iternext
     );