1 files changed, 8 insertions, 7 deletions
diff --git a/ports/esp32/machine_adcblock.c b/ports/esp32/machine_adcblock.c
index 06c215f8a..770839e93 100644
--- a/ports/esp32/machine_adcblock.c
+++ b/ports/esp32/machine_adcblock.c
@@ -194,10 +194,11 @@ STATIC const mp_rom_map_elem_t madcblock_locals_dict_table[] = {
 };
 STATIC MP_DEFINE_CONST_DICT(madcblock_locals_dict, madcblock_locals_dict_table);
 
-const mp_obj_type_t machine_adcblock_type = {
-    { &mp_type_type },
-    .name = MP_QSTR_ADCBlock,
-    .print = madcblock_print,
-    .make_new = madcblock_make_new,
-    .locals_dict = (mp_obj_t)&madcblock_locals_dict,
-};
+MP_DEFINE_CONST_OBJ_TYPE(
+    machine_adcblock_type,
+    MP_QSTR_ADCBlock,
+    MP_TYPE_FLAG_NONE,
+    madcblock_make_new,
+    print, madcblock_print,
+    locals_dict, (mp_obj_dict_t *)&madcblock_locals_dict
+    );